Logical Model

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Supplement Information Concept Data Concept Definition Type
European Supplement ACDMIrregularity - An irregularity which normally requires one or more partners to make a manual intervention to resolve the irregularity. -
WorkAreaActivity isActive An indication that an aerodrome work area is active. Boolean
WorkAreaActivity - Aerodrome work area activity information. -
WorkArea associatedAerodrome The aerodrome the work area is associated with. Aerodrome
WorkArea activation Time period during which the building site is active or not. WorkAreaActivity
WorkArea type The type of work performed in the work area. CodeWorkAreaType
WorkArea plannedOperational Date when the activities in the construction area are expected to be operational. Date
WorkArea - A part of an aerodrome in which maintenance or construction works are in progress. -
WindShear level Altitude expressed as a vertical distance where the wind shear occurs. ValDistanceType
WindShear - Local variation of the wind vector or any of its components in a given direction. -
WindLayer windVariesTo Indication of the variation of the direction and speed of the wind. windVariesTo indicates the final value of the direction and speed of a varying wind. Wind
WindLayer windInfo The wind information. Wind
WindLayer windVariesFrom Indication of the variation of the direction and speed of the wind. windVariesFrom indicates the initial value of the direction and speed of a varying wind. Wind
WindLayer windCharacteristics Description of the wind characteristics. CodeWindCharacteristicType
WindLayer - Vertically bounded area wind phenomenon, characterized by several attributes of type WindDirection, WindSpeed, a position and a height. -
Wind windSpeed The speed of the wind. ValSpeedType
Wind windGust Variation from the mean surface wind speed as defined by ICAO Annex 3. ValSpeedType
Wind windDirection Direction from which wind is blowing. Angle
Wind verticalWindGust Component wind gust in the upward or downward direction. ValSpeedType
Wind minWindSpeed The minimum speed of the wind. ValSpeedType
Wind maxWindSpeed The maximum speed of the wind. ValSpeedType
Wind isVariable Indication that the direction of the wind changes frequently. According to Annex 3 the wind is reported as variable (VRB) in local routine or special reports, in METAR and SPECI, when one of the following situations occur: - when the total variation is 60 or more and less than 180 and the wind speed is less than 1.5 m/s (3 kt), the wind direction shall be reported as variable with no mean wind direction; or - when the total variation is 180 or more, the wind direction shall be reported as variable with no mean wind direction. Boolean
Wind isCalm Indication that the wind is forecast to be less than 0.5 m/s (1 kt). Boolean
Wind headwind A wind blowing from directly in front, opposing forward motion or orientation. ValSpeedType
Wind extremeCounterClockwiseWindDirection The extreme counter-clockwise direction from which the wind is blowing, inclusive. Angle
Wind extremeClockwiseWindDirection The extreme clockwise direction from which the wind is blowing, inclusive. Angle
Wind crosswind A wind blowing perpendicularly to one's direction of travel or orientation. ValSpeedType
Wind - Air motion relative to the Earth's surface. Unless otherwise specified, only the horizontal component is considered. -
European Supplement WhatIfFlight response The response to an alternative flight issued by an ATSU. CodeAlternativeFlightResponseKindType
European Supplement WhatIfFlight rejectReason The reason for its rejection of an alternative flight. CharacterString
European Supplement WhatIfFlight alternativeFlightStatus The status of the alternative flight CodeAlternativeFlightStateType
European Supplement WhatIfFlight - A copy of the real flight used to negotiate potential changes to the flight data without affecting the corresponding data for the actual flight. -
European Supplement WhatIfContext flight A real or what-if flight belonging to the WhatIfContext. Flight
European Supplement WhatIfContext - A set of real or what-if flights. -
WeatherRadar weatherRadarType The type of weather radar system. CodeWeatherRadarType
WeatherRadar - Radar used to observe weather elements and phenomena. -
WeatherPhenomenon movement The movement of the weather phenomenon. MovementDescription
WeatherPhenomenon weatherCondition The observation or forecast of the weather phenomenon. WeatherCondition
WeatherPhenomenon element A phenomenon which forms an element of this phenomenon. WeatherPhenomenon
WeatherPhenomenon top Altitude of the highest level of the description of a weather phenomenon. ValDistanceType
WeatherPhenomenon significantWeatherQualifier A qualifier used in association with a reported significant weather phenomenon. CodeSignificantWeatherQualifierType
WeatherPhenomenon phenomenonType Description of the type of a weather phenomenon. CodeWeatherPhenomenonType
WeatherPhenomenon intensity Severity of a weather phenomenon. CodeWeatherIntensityType
WeatherPhenomenon base Altitude of the lowest level of the description of a weather phenomenon. ValDistanceType
WeatherPhenomenon - A meteorological event. -
WeatherObserver contactDetails The contact details of the weather observer. ContactInformation
WeatherObserver organisation The organisation for which the weather observer works. Organisation
WeatherObserver - The agent responsible for manual weather observations. -
WeatherLayer cloud A cloud forming part of the weather layer. Cloud
WeatherLayer obscuration An obscuration forming part of the weather layer. Obscuration
WeatherLayer - An array of clouds and/or obscurations whose bases are at approximately the same level. -
WeatherInformationSource location The facility where the weather information source is located. Facility
WeatherInformationSource isWeatherStation Indicator that the source is a weather station. Boolean
WeatherInformationSource isAltimeterInformationProvided Indicates whether the weather source provides altimeter information. Boolean
WeatherInformationSource - An automated or non-automated weather information source. -
WeatherCondition contour A contour used to outline a particular weather situation within the forecast or observation. Contour
WeatherCondition weatherInformationSource The weather information source. WeatherInformationSource
WeatherCondition phenomenon The phenomenon of relevance for the weather condition. WeatherPhenomenon
WeatherCondition type The type of weather condition being reported. CodeWeatherConditionType
WeatherCondition probability Relative likelihood of a forecast expressed as a percentage. Decimal
WeatherCondition hasNoSignificantWeather Indication that no specified en-route weather phenomena which may affect the safety of aircraft operations is occurring or expected to occur. Boolean
WeatherCondition confidence Quality of trusting for a forecast expressed as a percentage. Decimal
WeatherCondition changeIndicator Indication about the type of meteorological conditions changes. CodeChangeIndicatorType
WeatherCondition analysisTime The time at which the forecast or observation process starts. DateTime
WeatherCondition - Weather observations or forecast for an area of interest. -
WaterLaneEnd markingBuoy A buoy used to mark the water lane end. MarkingBuoy
WaterLaneEnd width The overall width of the primary water lane. ValDistanceType
WaterLaneEnd isStandardAirMarkerUsed Indicates that a Standard Air Maker is used at the location. The anchor symbol, similar to the designator found on aeronautical charts, is the Standard Air Marker used to designate a seaplane base. The symbol is often painted on roofs or other flat surfaces that are easily visible from the air. Boolean
WaterLaneEnd name Name given to the water lane end. CharacterString
WaterLaneEnd primaryWaterCentroidLocation The geographic location of the primary water centroid, used to determine the primary and alternate water lanes within the water operating area. Integer
WaterLaneEnd length The overall length of the primary water lane. ValDistanceType
WaterLaneEnd depth The depth of the primary water lane with respect to mean lowest low tide. ValVerticalDistanceType
WaterLaneEnd cardinalDirection Code indicating the cardinal compass location of the turning basin from centroid of the WaterLaneEnd. CodeCompassPointType
WaterLaneEnd approachGuidance Identifies the type of approach guidance in use or planned for the Water Lane End. CharacterString
WaterLaneEnd airMarkerColour The color of the air marker at the location (if any). CodeColourType
WaterLaneEnd - The end of the water lane (typically located at the furthest end of a turning basin) suitable for landing or takeoff runs of aircraft. WaterLaneEnds define the water lane and describe the approach/departure procedure characteristics of a water lane. -
WaterBodyCondition surfaceTemperature The temperature of the ocean surface. The term sea surface temperature is generally meant to be representative of the upper few meters of the ocean as opposed to the skin temperature, which is the temperature of the upper few centimeters. ValTemperatureType
WaterBodyCondition significantWaveHeight The vertical distance between the trough and crest of a wave of operational significance. ValVerticalDistanceType
WaterBodyCondition - Weather observations or forecasts over a defined water body. -
WaterBody associatedAerodrome The aerodrome in the vicinity of which the water body is located. Aerodrome
WaterBody name Name of the sea. CharacterString
WaterBody - A stretch of water on the surface of the Earth. -
VOR informationService The Information service which broadcasts on the VOR InformationService
VOR zeroBearingDirection A code indicating the direction of the 'zero bearing' provided by the station. CodeNorthReferenceType
VOR type A code indicating a type of VOR. CodeVORType
VOR frequency The value of the frequency. ValFrequencyType
VOR declination The angular difference between True North and the station declination. Angle
VOR - A short-range, very-high-frequency omnidirectional beacon which provides an indication in the aircraft of the bearing of the beacon, or left-right track indication. -
Volcano name The name of the volcano. CharacterString
Volcano - A geological formation in form of an Earth crust opening/rupture, which allows hot magma, volcanic ash and gases from below the surface, escape into the atmosphere. -
VolcanicAshCloud volcanicActivity The volcanic activity at the origin of the volcanic ash cloud. VolcanicActivity
VolcanicAshCloud ashConcentration Mass concentration of ash in an ash cloud expressed in mass unit per volume unit. ValConcentrationType
VolcanicAshCloud - Ash contaminated atmospheric volume. -
VolcanicActivity volcano The active volcano. Volcano
VolcanicActivity ashCloud The volcanic ash cloud generated by the volcanic activity. VolcanicAshCloud
VolcanicActivity isErupting Indication wether a volcano is erupting or not. Boolean
VolcanicActivity - Volcanic unrest or eruption. -
VisualGlideSlopeIndicator runwayDirection The runway direction associated with the visual glide slope indicator. RunwayDirection
VisualGlideSlopeIndicator type The type of visual glide slope indicator system installed, based upon the number, colour, and/or position of various components. CodeVASISType
VisualGlideSlopeIndicator slopeAngle A descent angle determined by a visual glide slope indicator system for visual vertical guidance during the final approach of an aircraft. Angle
VisualGlideSlopeIndicator position A location, relative to a runway centreline, of the visual approach slope indicator for a final approach and take off area (FATO)/runway direction. CodeRelativePositionType
VisualGlideSlopeIndicator numberBox The number of units that compose the visual glide slope indicator system. Integer
VisualGlideSlopeIndicator minimumEyeHeightOverThreshold The minimum height of the aircraft cockpit over the threshold when the aircraft glide slope indicator is showing an on-slope indication. ValVerticalDistanceType
VisualGlideSlopeIndicator isPortable An indicator of whether or not a runway's visual glide slope indicator system is capable of being transported or conveyed. Boolean
VisualGlideSlopeIndicator - A visual guidance system that provides 'below/above glidepath' information to an aircraft executing an approach to a specific runway direction. -
VerticalStructurePart lighting An element of the vertical structure part lighting. LightElement
VerticalStructurePart visibleMaterial An indicator of the type(s) of material that compose the load-bearing structure and/or exterior facing of a vertical construction. CodeVerticalStructureMaterialType
VerticalStructurePart verticalExtentAccuracy Accuracy of the value of the declared vertical extent of the vertical structure part. ValDistanceType
VerticalStructurePart verticalExtent The vertical extent of the vertical structure part. ValDistanceType
VerticalStructurePart type An indicator of the type of vertical structure part. CodeVerticalStructureType
VerticalStructurePart topElevation The vertical distance of the highest point of the vertical structure measured from mean sea level. ValAltitudeType
VerticalStructurePart markingSecondColour The secondary colour for the marking of the vertical structure part. CodeColourType
VerticalStructurePart markingPattern The general layout of the external paint or another marking element, intended to increase the visibility of the vertical structure part. CodeVerticalStructureMarkingType
VerticalStructurePart markingFirstColour The principal colour of the marking of the vertical structure part. CodeColourType
VerticalStructurePart isMobile Indication whether the vertical structure part is expected to move around its nominal location. Boolean
VerticalStructurePart isFrangible An indicator that the vertical structure part is easily broken. Boolean
VerticalStructurePart designator A distinguishing label by which the vertical structure part is identified locally. CharacterString
VerticalStructurePart constructionStatus The status of construction of the man-made object that constitutes the vertical structure part. CodeStatusConstructionType
VerticalStructurePart - A part of the vertical structure that can be represented as point, line or polygon with vertical extent. -
VerticalStructure associatedAerodrome The aerodrome associated with the vertical structure Aerodrome
VerticalStructure supportedGroundLight The ground light system supported by the vertical structure. GroundLightSystem
VerticalStructure marker The marker beacon that marks the vertical structure. MarkerBeacon
VerticalStructure hostedRadioNavigationEquipment The radio navigation aid hosted by the vertical structure. RadioNavigationAid
VerticalStructure hostedSpecialNavigationStation The special navigation station hosted by the vertical structure. SpecialNavigationStation
VerticalStructure obstacleArea The ObstacleArea in which the vertical Structure is situated ObstacleArea
VerticalStructure lightingAvailability The operational status of the vertical structure lighting. LightStatus
VerticalStructure supportedService The service supported by the vertical structure. Service
VerticalStructure hostedOrganisation The organisation hosted by the vertical structure. Organisation
VerticalStructure part Part of the vertical structure. VerticalStructurePart
VerticalStructure hostedPassengerService The passenger service hosted by the vertical structure. PassengerService
VerticalStructure obstacleDocumentation Documentation of how an obstacle is obtained, studied and/or built. Document
VerticalStructure hostedUnit The unit hosted by the vertical structure. Unit
VerticalStructure width Overall width of the vertical structure. ValDistanceType
VerticalStructure type The type of vertical structure. CodeVerticalStructureType
VerticalStructure radius The overall length of the radius of a vertical structure that has a relatively circular shape. ValDistanceType
VerticalStructure name The name of the vertical structure. CharacterString
VerticalStructure length The overall length of the vertical structure. ValDistanceType
VerticalStructure isSynchronisedLighting Indication that the flashing light elements that compose the lighting of the vertical structure (could be a group) are synchronised (flash in unison). Boolean
VerticalStructure isMarkingICAOStandard Indication whether vertical structure markings comply with the International Civil Aviation Organisation (ICAO) standard, as described in Annex 14. Boolean
VerticalStructure isLightingICAOStandard Indication whether the lighting complies with the ICAO standard as described in Annex 14. Boolean
VerticalStructure isLighted Indication that the vertical surface is lighted. Boolean
VerticalStructure isGroup An indication that the vertical structure consists of a number of closely situated similar objects. Boolean
VerticalStructure - All fixed and mobile objects, or parts thereof that extend above the surface of the Earth. -
VerticalConstraint - A restriction brought to the vertical component of the trajectory of an aircraft. -
European Supplement VerticalConstraint requiredFlightLevelChange The change of flight level required by the vertical constraint. FlightLevelChange
European Supplement VerticalConstraint requiredRouteOrProcedureChange The change of reference route or procedure required by the vertical constraint. RouteOrProcedureChange
European Supplement VerticalConstraint - A restriction brought to the vertical component of the trajectory of an aircraft. -
Vehicle state Current vehicle vector. AircraftState
Vehicle - Any means of carriage, conveyance, or transport. -
ValWeightType uom Unit of measure CodeUomWeightType
ValWeightType - The weight value. -
ValVerticalDistanceType verticalReference The reference surface used for determining the value of the vertical distance. CodeVerticalReferenceType
ValVerticalDistanceType specialHeightValue ATM specific height type CodeSpecialHeightValueType
ValVerticalDistanceType heightReference The reference surface for a height value. CodeHeightReferenceType
ValVerticalDistanceType - The separation between two points in the vertical plane. -
ValVelocityType direction The direction of travel. Angle
ValVelocityType - Velocity is the instantaneous rate of change of position with time. It is usually calculated using the simple formula, the change in position during a given time interval. -
ValTemperatureType uom Unit of measure CodeUomTemperatureType
ValTemperatureType - The value of a temperature. -
ValSpeedWithBoundaryType valueInterpretation Indication of how the speed value should be interpreted. CodeValueInterpretationType
ValSpeedWithBoundaryType speedTolerance Allowable amount of variation in speed. SpeedRangeType
ValSpeedWithBoundaryType - A speed contained within given limits. -
ValSpeedType uom Unit of measure CodeUomVelocityType
ValSpeedType - The measure of motion in terms of speed in a particular direction. It is usually calculated using the simple formula, the change in position during a given time interval. -
ValRateOfTurnType turnIndicator The turn indicator. CodeDirectionTurnType
ValRateOfTurnType precision The precision of the unit. Number
ValRateOfTurnType accuracy Accuracy (standard deviation) of the measured value. Number
ValRateOfTurnType - The value of a rate of turn. -
ValPressureType uom Unit of measure CodeUomPressureType
ValPressureType - The value of a pressure. -
ValPowerType uom Unit of measure CodeUomPowerType
ValPowerType - The value of a power. -
ValParticleFluxType uom Unit of measure CodeUomParticleFluxType
ValParticleFluxType - The value of the particle flux. -
ValParticleContentType uom Unit of measure CodeUomParticleContentType
ValParticleContentType - The value of a particle content. -
ValMassType uom Unit of measure CodeUomMassType
ValMassType - A mass value. -
ValLightIntensityType uom Unit of measure CodeUomLuminousIntensityType
ValLightIntensityType - The luminous intensity of a light source. It is a measure of the wavelength-weighted power emitted by a light source in a particular direction. -
ValHexType pattern A regular expression constraining the datatype CharacterString
ValHexType - A hexadecimal value. -
ValFrequencyType uom Unit of measure CodeUomFrequencyType
ValFrequencyType - The frequency value of a navigation system. -
ValEnergyFluxType uom Unit of measure CodeUomEnergyFluxType
ValEnergyFluxType - missing data -
ValDistanceType uom Unit of measure CodeUomLengthType
ValDistanceType - The separation between two points. -
ValConcentrationType uom Unit of measure CodeUomMassConcentrationType
ValConcentrationType - The value of a concentration, which represent the abundance of a constituent divided by the total volume of a mixture. -
ValAltitudeWithBoundaryType valueInterpretation Indication of how the altitude value should be interpreted. CodeValueInterpretationType
ValAltitudeWithBoundaryType altitudeTolerance Allowable amount of variation in altitude. AltitudeRangeType
ValAltitudeWithBoundaryType - An altitude contained within given limits. -
ValAltitudeType - The vertical distance of a level, a point or an object considered as a point, measured from mean sea level (MSL). -
ValAccelerationType uom Unit of measure CodeUomAccelerationType
ValAccelerationType - Calculated acceleration of the target expressed in Cartesian co-ordinates. -
UsageCondition aircraftType A type of aircraft for which the usage is specified. AircraftType
UsageCondition weather Weather conditions for which the usage is specified. AviationCondition
UsageCondition flight A type of flight for which the usage is specified. Flight
UsageCondition contact The contact information for a person or group. ContactInformation
UsageCondition type The nature of the limitation which determines rules for usage of an aerodrome or one of its surfaces. CodeUsageLimitationType
UsageCondition priorPermission An indication that a prior permission is required before using the aerodrome movement area. TM_Duration
UsageCondition - A rule governing the usage of an aerodrome or one of its surfaces. -
UpperAirObservingSystem upperAirObservationSystemType The type of upper air observing system. CodeUpperAirObservationSystemType
UpperAirObservingSystem - The upper-air observing program of NOAA, composed a network of ground-based remote-sensing wind profilers, en-route commercial aircraft in-situ observations (MDCRS), upper-air observations taken manually by pilots and disseminated by PIREPs, and of a network of rawinsonde stations (section 0). -
UnplannedHolding holdingFix Point used to evaluate safe holding. InfrastructurePoint
UnplannedHolding unplannedHolding Indication whether the holding pattern is used as an unplanned holding. CodeApprovalType
UnplannedHolding isCompletelyWithinControlledAirspace Indication whether the unplanned holding is completely contained within controlled airspace. Boolean
UnplannedHolding authorizedAltitude Approved altitude based on unplanned holding assessment. ValVerticalDistanceType
UnplannedHolding - A specific holding procedure requested at an en-route fix on airway or route radials, bearings, or courses. -
UnitDependency type An indicator of the kind of dependency that a related unit has in relation to the unit. CodeUnitDependencyType
UnitDependency - The operational or functional relationship between two related units. -
UnitAvailability operationalStatus An indicator of the operational status of a Unit in regards to its availability. CodeStatusOperationsType
UnitAvailability - Status and scheduling information about a unit. -
Unit airspaceUnderResponsibility The Airspace which is under the responsibility of the Unit Airspace
Unit areaOfResponsibility The airspace wherein flights are under the control of the ATSU. Airspace
Unit areaOfInterest The volumetric extension of the area of resposibility of an ATSU that allows detecting flights of interest. Airspace
Unit aerodromeLocation The aerodrome where the unit is located. Aerodrome
Unit surveillanceRadar SurveillanceRadar utilised by the Unit SurveillanceRadar
Unit service The service provided by the Unit Service
Unit contact Contact details for the unit. ContactInformation
Unit ownerOrganisation The organisation to which the unit belongs. Organisation
Unit availability The operational status of the unit. UnitAvailability
Unit relatedUnit The related unit. Unit
Unit unitRole The role played by the unit. CodeRoleKindType
Unit unitResponsibility The responsibility of the unit. CodeResponsibilityKindType
Unit type An indicator of the type of unit, usually related to the standard type of services provided by it. CodeUnitType
Unit name The full textual name of a unit, established according to the rules specified by International Civil Aviation Organisation (ICAO), and specifically in the official language of the country, transposed into the Latin Alphabet where necessary. CharacterString
Unit military An indicator of the operational nature of the unit. CodeMilitaryOperationsType
Unit locationIndicatorICAO A four-letter code group formulated in accordance with rules prescribed by ICAO and assigned to the ATS unit. CharacterString
Unit isIOPEnabled Indication whether the unit is IOP-enabled. Boolean
Unit isCpdlcEnabled Indication whether CPDLC facility is enabled. Boolean
Unit isCompliantICAO An indicator that the Unit is setup according to the International Civil Aviation Organisation (ICAO) Standards and Recommended Practices (SARPS). Boolean
Unit isAirspaceManagementCell Indicates whether the Unit is an AMC, a joint civil/military unit responsible for the day-to-day management and temporary allocation of national or sub-regional airspace under the jurisdiction of one or more ECAC state(s). Boolean
Unit designator A distinguishing label, term, abbreviation or acronym used to identify the Unit. CharacterString
Unit - A generic term referring to all types of entities providing all types of ATM related services. -
European Supplement Unit holdingArea Holding area that might exist for an ATSU. HoldingArea
European Supplement Unit ares The airspace reservation managed by the unit. AirspaceReservation
European Supplement Unit - A generic term referring to all types of entities providing all types of ATM related services. -
TwoDimensionalSurfaceType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
TwoDimensionalSurfaceType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
TwoDimensionalSurfaceType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
TwoDimensionalSurfaceType - Derived from GM_Surface and extended to include Horizontal Accuracy properties -
TwoDimensionalPointType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
TwoDimensionalPointType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
TwoDimensionalPointType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
TwoDimensionalPointType - Derived from GM_Point and extended to include Horizontal Accuracy properties -
TwoDimensionalCurveType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
TwoDimensionalCurveType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
TwoDimensionalCurveType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
TwoDimensionalCurveType - Derived from GM_Curve and extended to include Horizontal Accuracy properties -
TurningBasin width The overall width measurement of the turning basin to the nearest 5 feet. ValDistanceType
TurningBasin restriction Any restrictions or cautions associated with the Turning Basin. CharacterString
TurningBasin name A commonly used name for the turning basin. CharacterString
TurningBasin length The overall length measurement of the turning basin to the nearest 5 feet. ValDistanceType
TurningBasin diameter The diameter of the turning basin available for use by aircraft to the nearest 5 feet. ValDistanceType
TurningBasin depth The depth measurement of the turning basin with respect to mean lowest low tide to the nearest 0.5 foot. ValVerticalDistanceType
TurningBasin cardinalDirection Code indicating the cardinal compass location of the turning basin from centroid of the WaterLaneEnd. CodeCompassPointType
TurningBasin - A water area used for the maneuvering of aircraft where the use of water surface is restricted. Turning basins should be located adjacent to shoreline facilities and at each end of the water operating area. -
Turbulence turbulenceType The type of turbulence. CodeTurbulenceType
Turbulence edr Eddy dissipation rate, characterization of atmospheric turbulence. Decimal
Turbulence - Atmospheric flow regime characterized by chaotic and stochastic property changes. This includes low momentum diffusion, high momentum convection, and rapid variation of pressure and velocity in space and time. -
Tropopause temperature The temperature of the tropopause. ValTemperatureType
Tropopause - The boundary between the troposphere and the stratosphere, where an abrupt change in lapse rate usually occurs. -
TropicalCyclone name Name of the tropical cyclone. CharacterString
TropicalCyclone maxSurfaceWindSpeed Maximum surface wind speed of a tropical cyclone. ValSpeedType
TropicalCyclone centralPressure Pressure at the centre of the cyclone. ValPressureType
TropicalCyclone - Cyclone of tropical origin of small diameter (some hundreds of kilometres) with minimum surface pressure in some cases less than 900 hPa, very violent winds and torrential rain; sometimes accompanied by thunderstorms. It usually contains a central region, known as the eye" of the storm, with a diameter of the order of some tens of kilometres, and with light winds and more or less lightly clouded sky." -
European Supplement TransferData transferOfControlPoint A defined point located along the flight path of an aircraft, at which the responsibility for providing air traffic control service to the aircraft is transferred from one control unit or control position to the next. SignificantPoint
European Supplement TransferData supplementaryFlightLevel Supplementary flight level assigned during transfer phase. Integer
European Supplement TransferData speed Speed assigned during transfer phase. ValSpeedType
European Supplement TransferData rate Rate of climb/descent assigned during transfer phase. ValSpeedType
European Supplement TransferData headingType The type of heading. CodeHeadingType
European Supplement TransferData assignedHeading Heading assigned during transfer phase. Angle
European Supplement TransferData assignedFlightLevel Flight level assigned during transfer phase. Integer
European Supplement TransferData - Data exchanged during the transfer phase. The receiving controller can issue: - A speed - A rate of climb / descent - A heading - A flight level - A supplementary flight level which become constraints of the trajectory. -
European Supplement TrafficVolumeSet tfv Traffic volume belonging to the traffic volume set. TrafficVolume
European Supplement TrafficVolumeSet name Textual description of the traffic volumes which compose the set. CharacterString
European Supplement TrafficVolumeSet designator Designator of the traffic volume set as defined by the Network Manager. CharacterString
European Supplement TrafficVolumeSet - A set of Traffic volumes relating to a single Flow Management Position (FMP). -
European Supplement TrafficVolumeLinkedFlow role The role that a flow fulfils within a traffic volume. CodeFlowCombinationRoleType
European Supplement TrafficVolumeLinkedFlow - The role a flow fulfils within a traffic volume. -
European Supplement TrafficVolumeActivation - Information about the operational status of the traffic volume. -
European Supplement TrafficVolume hotspot ATFM hotspot related to the traffic volume. ATFMHotspot
European Supplement TrafficVolume capacity The capacity of the traffic volume. Capacity
European Supplement TrafficVolume otmv The occupancy traffic monitoring value of the traffic volume. OccupancyTrafficMonitoringValue
European Supplement TrafficVolume referenceLocation Location where the traffic volume is situated. ReferenceLocation
European Supplement TrafficVolume filteredFlight Flight that satisfies the criteria of the traffic volume. Flight
European Supplement TrafficVolume activation The times during which the traffic volume is active. TrafficVolumeActivation
European Supplement TrafficVolume tfvSet Traffic volume set to which the traffic volume belongs. TrafficVolumeSet
European Supplement TrafficVolume linkedFlow A flow which is lined to the traffic volume. Flow
European Supplement TrafficVolume isMonitorable Indicates whether the Traffic Volume shall be monitored (i.e. when the sector is active in a sector configuration). Boolean
European Supplement TrafficVolume designator Designator of the traffic volume as defined by the Network Manager. CharacterString
European Supplement TrafficVolume - A set of conditions used to identify the flights over an airspace, point, aerodrome or set of aerodromes so that they can be monitored or regulated within the tactical/pre-tactical Air Traffic Flow and Capacity Management (ATFCM) system. -
TrafficSeparationService isRadarAssisted Indication whether the service is provided with radar assistance. Boolean
TrafficSeparationService isDataLinkEnabled Indication whether Controller-Pilot Data-Link Communication (CPDLC) is available in support of the service. Boolean
TrafficSeparationService dataLinkChannel The channel on which the data-link takes place, if applicable. CharacterString
TrafficSeparationService airTrafficServiceType The type of air traffic service provided. CodeAirTrafficServiceType
TrafficSeparationService - A service that provides control and separation services, to aircraft in the air and on the ground. -
European Supplement TrafficCount countFlow Limitation of the traffic count to flights concerned by the flow. Flow
European Supplement TrafficCount countLocation Location for which the count is performed. TrafficVolume
European Supplement TrafficCount startCountPeriod Start of the count period. DateTime
European Supplement TrafficCount flightStatusType Limitation of the traffic count to a particular flight status. CodeFlightStatusForCountType
European Supplement TrafficCount endCountingPeriod End of the count period. DateTime
European Supplement TrafficCount countValue The number of flights being counted. Integer
European Supplement TrafficCount countsIntervalStep The interval between count periods. TM_Duration
European Supplement TrafficCount countPeriodDuration The duration during which the flights are counted. TM_Duration
European Supplement TrafficCount calculationType The calculation type of the count. CodeCountCalculationType
European Supplement TrafficCount airTrafficType The traffic type considered by the traffic count. CodeAirTrafficType
European Supplement TrafficCount - The number of aircraft on a location during a time period. -
European Supplement TrackDirectionChange significantPoint The Significant Point at which the change of track direction commences. SignificantPoint
European Supplement TrackDirectionChange assignedStartPosition Position at which the change of track direction is requested to start. SignificantPoint
European Supplement TrackDirectionChange trackDirection The new track direction when the track change is completed. Angle
European Supplement TrackDirectionChange time The time at which the change of track direction occurs. DateTimeWithPlanningType
European Supplement TrackDirectionChange assignedTrackDirection The track direction that the flight is requested to follow. Angle
European Supplement TrackDirectionChange - A change of track direction during the execution of the Flight. -
TouchDownLiftOffSafeArea protectedTouchDownLiftOff The protected touch down and lift-off area. TouchDownLiftOff
TouchDownLiftOffSafeArea - An obstacle-free area situated in the vicinity of a touchdown and lift-off area, provided to protect helicopters during manoeuvring, take-off and / or landing operations. -
TouchDownLiftOffMarking markedTouchDownLiftOff The touch down lift-off marked. TouchDownLiftOff
TouchDownLiftOffMarking TLOFmarkingType The type of TLOF marking. CodeTLOFMarkingType
TouchDownLiftOffMarking - A symbol or group of symbols displayed on the surface of the touch down and lift-off area at an aerodrome. -
TouchDownLiftOffLightSystem lightedTouchDownLiftOff The touch down lift off zone lit by the touch down lift-off light system. TouchDownLiftOff
TouchDownLiftOffLightSystem position A indication of the part of the touch down and lift-off surface the lighting system is serving. CodeTLOFSectionType
TouchDownLiftOffLightSystem - The lighting system provided for a touch down and lift-off surface at an aerodrome. -
TouchDownLiftOffContamination contaminatedTLOF The contaminated TouchDownLiftOff. TouchDownLiftOff
TouchDownLiftOffContamination - The presence or removal of hazardous conditions due to snow, ice, slush, water, etc. on the Touch Down and Lift-Off (TLOF) surface. -
TouchDownLiftOff helicopterClass The class of a helicopter associated with a touch down and lift-off area. AircraftCategory
TouchDownLiftOff aimingPoint The centre point of the touch down lift-off used as a significant point on instrument approach procedures. InfrastructurePoint
TouchDownLiftOff contaminant Touch down lift-off contaminant. TouchDownLiftOffContamination
TouchDownLiftOff associatedAerodrome The aerodrome the touch down lift-off zone is associated with. Aerodrome
TouchDownLiftOff connectingGuidanceLine A GuidanceLine which connects to the TouchDownLiftOff GuidanceLine
TouchDownLiftOff availability The operational status of the touch down lift-off area. ManoeuvringAreaAvailability
TouchDownLiftOff approachTakeOffArea The approach and take off runway area containing the touchdown lift off zone. Runway
TouchDownLiftOff surfaceProperties Surface characteristics of the touch down and lift-off zone. SurfaceCharacteristics
TouchDownLiftOff touchDownLiftOffLightSystem The LightSystem provided for an TouchDownLiftOff TouchDownLiftOffLightSystem
TouchDownLiftOff touchDownLiftOffMarking The Marking marked on the TouchDownLiftOff TouchDownLiftOffMarking
TouchDownLiftOff touchDownLiftOffSafeArea A safe area protecting the touch down lift-off area. TouchDownLiftOffSafeArea
TouchDownLiftOff navaid Navaid installed at a particular landing area. RadioNavigationService
TouchDownLiftOff width The physical width of the touchdown and lift-off area. ValDistanceType
TouchDownLiftOff slope The slope (rate of upward inclination of the surface from the horizontal) of the surface of a touch down and lift-off area. Decimal
TouchDownLiftOff length The physical length of the touchdown and lift-off area. ValDistanceType
TouchDownLiftOff isAbandoned An indicator that the touch down and lift-off area is no longer in operational use, but it is still physically present and visible, although usually in a degraded state. Boolean
TouchDownLiftOff designator The designator of the touch down and lift-off area. CharacterString
TouchDownLiftOff - A load bearing area on which a helicopter may touch down or lift off. -
TornadicVortex isWaterspout Indicates a violent, rotating column of air that forms over a body of water, and touches the water surface; tornado or funnel cloud that touches a body of water. Boolean
TornadicVortex isTornado Indicates a violent, rotating column of air touching the ground. It forms a pendant, usually from a cumulonimbus cloud, nearly always starts as a funnel cloud, and is accompanied by a loud roaring noise. Boolean
TornadicVortex isFunnelCloud Indicates a violent, rotating column of air, which does not touch the surface, usually appended to a cumulonimbus cloud. Boolean
TornadicVortex - A violently rotating column of air, usually pendant to a cumulonimbus, with circulation reaching the ground. It nearly always starts as a funnel cloud and may be accompanied by a loud roaring noise. -
European Supplement TimeToPointBoundary timeToPoint The time to the flyover boundary. TM_Duration
European Supplement TimeToPointBoundary distanceFromPoint The distance to the flyover boundary. ValDistanceType
European Supplement TimeToPointBoundary - Time to point boundary -
European Supplement TimeToEntryBoundary timeToEntry The time to the airspace entry boundary. TM_Duration
European Supplement TimeToEntryBoundary distanceFromEntry The distance to the airspace entry boundary. ValDistanceType
European Supplement TimeToEntryBoundary - Time to entry boundary -
Timesheet timeReference An indicator of the time reference system or reference system offset for time values specified in the timesheet. CodeTimeReferenceType
Timesheet startTimeRelativeEvent The number of minutes before or after the start event when the period described in the timesheet starts. TM_Duration
Timesheet startTime The time of the day when the period described in the timesheet starts. ClockTime
Timesheet startEventInterpretation When both the 'StartTime' and 'StartEvent' values of a timesheet are not blank, this explains how the combination of the two values should be interpreted, i.e. which of the two moments in time is the beginning of the period described by the timesheet. CodeTimeEventCombinationType
Timesheet startEvent A reference to an event (like sunset or sunrise), the occurrence of which indicates when the period described in the timesheet starts. CodeTimeEventType
Timesheet startDate The start date of the validity of the timesheet. Date
Timesheet isExcluded An indicator that the time block indicated by the timesheet is excluded (subtracted) from the total time interval(s) defined by one or more additional timesheet(s). Boolean
Timesheet endTimeRelativeEvent The number of minutes before or after the end event when the period described in the timesheet ends. TM_Duration
Timesheet endTime The time of the day when the period described in the timesheet ends. ClockTime
Timesheet endEventInterpretation When both the 'EndTime' and 'EndEvent' values of the timesheet are not blank, this attribute explains how the combination of the two attributes should be interpreted, i.e. which of the two moments in time is the end of the period described by the timesheet. CodeTimeEventCombinationType
Timesheet endEvent A reference to an event (like sunset or sunrise), the occurrence of which indicates when the period described in the timesheet ends. CodeTimeEventType
Timesheet endDate The end date of the validity of the timesheet. Date
Timesheet dayTil An indicator of the days affected by the timesheet. CodeParticularDayType
Timesheet daylightSavingAdjust Indicates that the startTime and endTime values of the timesheet have to be decreased by one hour when Daylight Saving is in force (summer time). Boolean
Timesheet day An indicator of the day the timesheet is referring to. CodeParticularDayType
Timesheet - The definition of a single time interval, that occurs repeatedly as part of a schedule. -
TimeRangeType later The upper limit of the time range. DateTime
TimeRangeType earlier The lower limit of the time range. DateTime
TimeRangeType - The area of variation of a time between earlier and later limits. -
TimeConstraint requiredLanding The landing event required by the time constraint. Landing
TimeConstraint requiredOffBlock The off block event required by the time constraint. OffBlock
TimeConstraint requiredTakeOff The take-off event required by the time constraint. TakeOff
TimeConstraint - A restriction brought to the time component of the trajectory of an aircraft. -
ThreeDimensionalSurfaceType verticalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalSurfaceType verticalDatum The set of reference points or a mathematical model of the Earth's surface (a datum) against which vertical position measurements are made as basis for measuring elevations. CodeVerticalDatumType
ThreeDimensionalSurfaceType verticalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalSurfaceType verticalAccuracy The difference between the recorded elevation of an entity and its true elevation referenced to the same vertical datum expressed as a linear error at 95 percent probability. ValDistanceType
ThreeDimensionalSurfaceType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalSurfaceType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalSurfaceType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
ThreeDimensionalSurfaceType geoidUndulation The distance of the geoid above (positive) or below (negative) the mathematical reference ellipsoid at the location of the surface. ValDistanceType
ThreeDimensionalSurfaceType elevation The vertical distance of a point or a level, on or affixed to the surface of the earth, measured from mean sea level. ValAltitudeType
ThreeDimensionalSurfaceType - Derived from GM_Surface and extended to include properties that represent the vertical position (elevation, datum, accuracy). -
ThreeDimensionalPointType verticalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalPointType verticalDatum The set of reference points or a mathematical model of the Earth's surface (a datum) against which vertical position measurements are made as basis for measuring elevations. CodeVerticalDatumType
ThreeDimensionalPointType verticalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalPointType verticalAccuracy The difference between the recorded elevation of an entity and its true elevation referenced to the same vertical datum expressed as a linear error at 95 percent probability. ValDistanceType
ThreeDimensionalPointType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalPointType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalPointType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
ThreeDimensionalPointType height The vertical distance of a level, a point or an object considered as a point, measured from a specified datum. ValVerticalDistanceType
ThreeDimensionalPointType geoidUndulation The distance of the geoid above (positive) or below (negative) the mathematical reference ellipsoid at the location of the point. ValDistanceType
ThreeDimensionalPointType elevation The vertical distance of a point or a level, on or affixed to the surface of the earth, measured from mean sea level. ValAltitudeType
ThreeDimensionalPointType altitude The vertical distance of a level, a point or an object considered as a point, measured from mean sea level (MSL). ValAltitudeType
ThreeDimensionalPointType - Derived from GM_Point and extended to include properties for describing a point with elevation and vertical extent. -
ThreeDimensionalCurveType verticalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalCurveType verticalDatum The set of reference points or a mathematical model of the Earth's surface (a datum) against which vertical position measurements are made as basis for measuring elevations. CodeVerticalDatumType
ThreeDimensionalCurveType verticalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalCurveType verticalAccuracy The difference between the recorded elevation of an entity and its true elevation referenced to the same vertical datum expressed as a linear error at 95 percent probability. ValDistanceType
ThreeDimensionalCurveType horizontalResolution A distance corresponding to the number of units or digits to which a measured or calculated value is expressed and used. ValDistanceType
ThreeDimensionalCurveType horizontalConfidenceLevel A statistical measure of the estimated confidence with which the data captured met its required accuracy. A required confidence level of 90% indicates that 90% of the measured point(s) should meet their respective accuracy requirements. Integer
ThreeDimensionalCurveType horizontalAccuracy The difference between the recorded horizontal coordinates of an entity and its true position referenced to the same geodetic datum expressed as a circular error at 95 percent probability. ValDistanceType
ThreeDimensionalCurveType geoidUndulation The distance of the geoid above (positive) or below (negative) the mathematical reference ellipsoid at the location of the curve. ValDistanceType
ThreeDimensionalCurveType elevation The vertical distance of a point or a level, on or affixed to the surface of the earth, measured from mean sea level. ValAltitudeType
ThreeDimensionalCurveType - Derived from GM_Curve and extended to include properties that represent the vertical position (elevation, datum, accuracy). -
TerminalArrivalAreaSector sectorDefinition A portion of a circle. CircleSector
TerminalArrivalAreaSector significantObstacle The obstacle that controls the altitude definition of the sector. Obstruction
TerminalArrivalAreaSector waypointType The type of waypoint over or by which the aircraft is required to fly. CodeInfrastructurePointUsageType
TerminalArrivalAreaSector isCourseReversalRequired Indication whether a course reversal is required. Boolean
TerminalArrivalAreaSector altitudeDescription Indication how the altitude attributes should be interpreted. CodeAltitudeUseType
TerminalArrivalAreaSector - Subdivision of the TAA to allow for lower altitudes. The lowest altitude will provide a minimum clearance of 300m (1000ft) above all objects located in the sector. -
TerminalArrivalAltitude iaf Initial approach fix used by the TAA. InfrastructurePoint
TerminalArrivalAltitude if Intermediate fix used by the TAA. InfrastructurePoint
TerminalArrivalAltitude approachRNAV An approach built for use by aircraft with equipment that can determine the location of a point based on the latitude and longitude. InstrumentApproachProcedure
TerminalArrivalAltitude sector A subdivision of the TAA designed to provide the lowest altitude possible and maintain safety. TerminalArrivalAreaSector
TerminalArrivalAltitude outerBufferWidth The buffer size of the outer arc boundary. ValDistanceType
TerminalArrivalAltitude lateralBufferWidth The buffer size of the lateral or inner boundary. ValDistanceType
TerminalArrivalAltitude arrivalAreaType The base type of the terminal arrival area. CodeTAAType
TerminalArrivalAltitude - The lowest altitude that will provide a minimum clearance of 300 m (1 000 ft) above all objects located in an arc of a circle defined by a 46 km (25 NM) radius centred on the initial approach fix (IAF), or where there is no IAF on the intermediate approach fix (IF), delimited by straight lines joining the extremity of the arc to the IF. The combined TAAs associated with an approach procedure shall account for an area of 360 degrees around the IF. -
Terminal availability Information about the operational status of the terminal. AerodromeAvailability
Terminal gate A gate at the terminal. Gate
Terminal numberOfPassengerLevels Number of levels for passengers at the terminal. Integer
Terminal numberOfLuggageReclaimDevices Number of luggage reclaim devices available at the terminal. Integer
Terminal numberOfGateRooms Number of gate rooms available at the terminal. Integer
Terminal numberOfDeparturePassportDesks Number of departure passport desks available at the terminal. Integer
Terminal numberOfCustomChannels Number of custom channels at the terminal. Integer
Terminal numberOfCheckInDesks Number of check-in desks available at the terminal. Integer
Terminal numberOfBagSecurityPoints Number of bag security points available at the terminal. Integer
Terminal numberOfArrivalPassportDesks Number of arrival passport desks available at the terminal. Integer
Terminal internationalType The Terminal may be reserved for domestic/national flights or for international flights (Schengen or not). CodeInternationalFlightType
Terminal designator A name identifying a terminal. CharacterString
Terminal description Free text field used to describe a terminal. CharacterString
Terminal - An installation on an aerodrome with facilities for loading and unloading aircraft and processing traffic (passengers, baggage, cargo and mail). -
TemporalEnabledEntity timesheet A schedule concerning the entity. Timesheet
TemporalEnabledEntity startValidity Date and time at which the data contained in the entity state starts to be effective DateTime
TemporalEnabledEntity startEntityLifetime Start of life of the entity, indicating the date and time at which the entity starts to exist DateTime
TemporalEnabledEntity source Name of entity or organisation that supplied data. CharacterString
TemporalEnabledEntity lastRevision Date and time when the data was last revised. DateTime
TemporalEnabledEntity interpretation How the entity state is to be interpreted. CodeValidityPeriodInterpretationType
TemporalEnabledEntity endValidity Date and time at which the data contained in the entity state ceases to be effective DateTime
TemporalEnabledEntity endEntityLifetime End of life of the entity, indicating the date and time at which the entity ceases to exist DateTime
TemporalEnabledEntity - An entity which has a lifecycle, including a start of life, an end of life and various states along its life. -
TelephoneContact voice The telephone number by which individuals can speak to the responsible organisation or individual. CharacterString
TelephoneContact facsimile The telephone number of a facsimile machine for the responsible organisation or individual. CharacterString
TelephoneContact - Telephone numbers at which the organisation or individual may be contacted. -
TaxiwayMarking markedTaxiway Taixway that is marked. Taxiway
TaxiwayMarking markedElement Taxiway element marked by the taxiway marking. TaxiwayElement
TaxiwayMarking taxiwayMarkingType The type of taxiway marking. CodeTaxiwayMarkingType
TaxiwayMarking - A symbol or group of symbols displayed on the surface of the taxiway. -
TaxiwayLightSystem lightedTaxiway Taxiway lit by the light system. Taxiway
TaxiwayLightSystem position A code indicating the part of the taxiway surface the lighting system is serving. CodeTaxiwaySectionType
TaxiwayLightSystem - The lighting system provided for a taxiway at an aerodrome. -
TaxiwayIntersectionMarking markingPattern The type of marking pattern used at this location CodeMarkingPatternType
TaxiwayIntersectionMarking holdingSide Relative location of the holding side of a holding position, from startpoint to endpoint of line CodeHoldingSideType
TaxiwayIntersectionMarking - A marking painted at a position at which taxiing aircraft and vehicles are expected to stop and hold until further cleared to proceed, when so instructed by the aerodrome control tower. -
TaxiwayHoldingPositionMarking markedTaxiwayHoldingPosition Taxiway holding position that is marked. TaxiwayHoldingPosition
TaxiwayHoldingPositionMarking taxiwayHoldingPositionMarkingType The type of taxiway holding position marking. CodeTaxiwayHoldingPositionMarkingType
TaxiwayHoldingPositionMarking markingPattern The type of marking pattern used at this location CodeMarkingPatternType
TaxiwayHoldingPositionMarking holdingSide Relative location of the holding side of a holding position, from startpoint to endpoint of line CodeHoldingSideType
TaxiwayHoldingPositionMarking isRunwayEntryLightSystemInstalled Indicates if Runway Entry Light system is installed at holding position Boolean
TaxiwayHoldingPositionMarking - A symbol or group of symbols displayed on the surface of a Taxiway indicating the location of the Taxiway Holding Position. -
TaxiwayHoldingPositionLightSystem taxiwayHoldingPosition The taxiway holding position lit by the taxiway holding position light system. TaxiwayHoldingPosition
TaxiwayHoldingPositionLightSystem type The kind of lighting aid provided for the taxiway holding position. CodeLightHoldingPositionType
TaxiwayHoldingPositionLightSystem - Lighting system for a taxiway hold position. -
TaxiwayHoldingPosition associatedGuidanceLine The guidance line containing the taxi holding position. GuidanceLine
TaxiwayHoldingPosition protectedRunway Runway protected by the taxi holding position. Runway
TaxiwayHoldingPosition runwayElement A runway element associated with the taxiway holding position. RunwayElement
TaxiwayHoldingPosition taxiwayElement A taxiway element associated with the taxiway holding position. TaxiwayElement
TaxiwayHoldingPosition taxiHoldingPositionLightSystem The LightSystem provided for an TaxiHoldingPosition TaxiwayHoldingPositionLightSystem
TaxiwayHoldingPosition taxiwayHoldingPositionMarking The Marking marked on the TaxiHoldingPosition TaxiwayHoldingPositionMarking
TaxiwayHoldingPosition status An indication of the operational status of the taxi holding position. CodeStatusOperationsType
TaxiwayHoldingPosition landingCategory Type of landing operations for which that holding position is relevant. CodeInstrumentApproachCategoryType
TaxiwayHoldingPosition - A designated position at which taxiing aircraft and vehicles must stop and hold position, unless otherwise authorized by the aerodrome control tower. -
TaxiwayElement suitableAircraft Aircraft for which this taxiway element is suitable. AircraftType
TaxiwayElement apronElement An apron element associated with this taxiway element. ApronElement
TaxiwayElement deicingArea A deicing area associated with the taxiway element. DeicingArea
TaxiwayElement guidanceLine A guidance line associated with the taxiway element. GuidanceLine
TaxiwayElement availability The operational status of the taxiway element. ManoeuvringAreaAvailability
TaxiwayElement runwayElement A runway element associated with the taxiway element. RunwayElement
TaxiwayElement surfaceProperties Surface characteristics of the taxiway element. SurfaceCharacteristics
TaxiwayElement associatedTaxiway The taxiway associated with the taxiway element. Taxiway
TaxiwayElement taxiwayElement A taxiway element associated with this taxiway element. TaxiwayElement
TaxiwayElement taxiwayHoldingPosition A taxiway holding position associated with the taxiway element. TaxiwayHoldingPosition
TaxiwayElement taxiwayElementMarking The Marking marked on the TaxiwayElement TaxiwayMarking
TaxiwayElement width The width of the taxiway element. ValDistanceType
TaxiwayElement type The type of taxiway element. CodeTaxiwayElementType
TaxiwayElement length The length of the taxiway element. ValDistanceType
TaxiwayElement gradeSeparation An indication of the placement of the taxiway element at a different height from another element. CodeGradeSeparationType
TaxiwayElement - Part of a taxiway. -
TaxiwayContamination contaminatedTaxiway The contaminated taxiway Taxiway
TaxiwayContamination clearedWidth The width of taxiway cleared of contamination. ValDistanceType
TaxiwayContamination - The presence or removal of hazardous conditions due to snow, ice, slush, water, etc. on the taxiway surface. -
European Supplement TaxiwayConfiguration taxiway A taxiway within the configuration. Taxiway
European Supplement TaxiwayConfiguration taxiwayConfigurationUsabilityFactor Percentage of the time where this taxiway configuration is used rather than another one for the same airport. Decimal
European Supplement TaxiwayConfiguration designator A name identifying a taxiway configuration. CharacterString
European Supplement TaxiwayConfiguration description Free text field used to describe a taxiway configuration. CharacterString
European Supplement TaxiwayConfiguration - Configuration of taxiways available for use in a given airport operational mode. -
Taxiway contaminant Taxiway contaminant. TaxiwayContamination
Taxiway associatedAerodrome The aerodrome the taxiway is associated with. Aerodrome
Taxiway deicingArea Deicing area located on the taxiway DeicingArea
Taxiway connectingGuidanceLine A GuidanceLine which connects to the Taxiway GuidanceLine
Taxiway availability The operational status of the taxiway. ManoeuvringAreaAvailability
Taxiway surfaceProperties Surface characteristics of the taxiway. SurfaceCharacteristics
Taxiway taxiwayLightSystem The LightSystem provided for an Taxiway TaxiwayLightSystem
Taxiway taxiwayMarking The Marking marked on the Taxiway TaxiwayMarking
Taxiway taxiwayElement TaxiwayElement which describes part of the Taxiway TaxiwayElement
Taxiway widthShoulder The taxiway shoulder width. ValDistanceType
Taxiway width The physical width of the taxiway. ValDistanceType
Taxiway type An indication of a type of taxiway. CodeTaxiwayType
Taxiway length The length of the taxiway. ValDistanceType
Taxiway isAbandoned An indicator that a taxiway is no longer in operational use, but it is still physically present and visible, although usually in a degraded state. Boolean
Taxiway designator The textual designator of the taxiway. CharacterString
Taxiway - A defined path on a land aerodrome established for the taxiing of aircraft and intended to provide a link between one part of the aerodrome and another, including: a) Aircraft stand taxilane. A portion of an apron designated as a taxiway and intended to provide access to aircraft stands only. b) Apron taxiway. A portion of a taxiway system located on an apron and intended to provide a through taxi route across the apron. c) Rapid exit taxiway. A taxiway connected to a runway at an acute angle and designed to allow landing aeroplanes to turn off at higher speeds than are achieved on other exit taxiways thereby minimizing runway occupancy times. -
European Supplement TaxiRoute guidanceLine A guidance line on the taxi route. GuidanceLine
European Supplement TaxiRoute taxiway A taxiway composing the taxi route. Taxiway
European Supplement TaxiRoute runwayConfiguration The runway configuration for which the taxi route is established. RunwayConfiguration
European Supplement TaxiRoute runwayDirection A runway direction served by the taxi route. RunwayDirection
European Supplement TaxiRoute taxiwayConfiguration The taxiway configuration for which the taxi route is established. TaxiwayConfiguration
European Supplement TaxiRoute type The type of movement (Taxi-in or Taxi-out) allowed along the TaxiRoute. A TaxiRoute connects a Stand and a Runway either to go IN the Runway or to go OUT from the Runway. CodeTypeOfTaxiRouteType
European Supplement TaxiRoute trafficSituation The traffic situation. CharacterString
European Supplement TaxiRoute taxiTime The taxi time for the taxi route. TM_Duration
European Supplement TaxiRoute taxiRouteProcedure The procedures applicable to the taxi route. CharacterString
European Supplement TaxiRoute taxiRouteConstraint A limitation applied to the taxi route. CharacterString
European Supplement TaxiRoute status Indication whether the taxi route is the planned one or the cleared one, which may be a deviation of it. CodeTaxiRouteStatusType
European Supplement TaxiRoute startPosition The start of the taxi route. CharacterString
European Supplement TaxiRoute mode The taxi route mode. CodeTaxiRouteModeType
European Supplement TaxiRoute isAllowed Indication whether the usage of the taxi route is allowed or prohibited, depending on runway configuration. Boolean
European Supplement TaxiRoute intendedPosition The intended position at the end of the taxi route. CharacterString
European Supplement TaxiRoute - A predefined path from a Runway to an aircraft Stand (and vice versa). A taxi route is a sequence of taxiways. -
European Supplement TaxiOutClearance taxiPath The taxi path that is expected to be given as part of the clearance. RouteTrajectorySegment
European Supplement TaxiOutClearance - The clearance provided by the tower ground controller to the aircraft for taxiing from the parking stand to the take-off runway. -
TaxiInClearance taxiPath The taxi path that is expected to be given as part of the clearance. RouteTrajectorySegment
TaxiInClearance - Information relating to the taxi-in clearance of an aircraft. -
TaxiChannel markingBuoy A buoy used to mark the taxi channel. MarkingBuoy
TaxiChannel width The overall width measurement of the Taxi Channel. ValDistanceType
TaxiChannel restriction Any restrictions or cautions associated with the taxi channel. CharacterString
TaxiChannel name Any commonly used name associated with the taxi channel. CharacterString
TaxiChannel length The overall length measurement of the Taxi Channel. ValDistanceType
TaxiChannel depth The depth measurement of the Taxi Channel with respect to mean lowest low tide. ValVerticalDistanceType
TaxiChannel - A water channel used for the movement of aircraft between on shore facilities and the water lane. -
European Supplement TakeOffSequencing takeOffSequencePosition The position of a given aircraft in the take-off sequence. Integer
European Supplement TakeOffSequencing takeOffPositionFixedTime The time at which take-off sequence management plans to freeze the sequence position of the flight DateTime
European Supplement TakeOffSequencing isTakeOffTimeFixed Indicator signifying that departure management has fixed the target take-off time. Boolean
European Supplement TakeOffSequencing isTakeOffPositionFixed Indicator that the position of the flight in the take-off sequence has been frozen Boolean
European Supplement TakeOffSequencing - Descriptors of the flight in the take-off sequencing process -
European Supplement TakeOffSequence managedRunway The runway the traffic into which is managed by the sequence. RunwayDirection
European Supplement TakeOffSequence sequencedTakeOff Take-off of a flight organised into the sequence. TakeOff
European Supplement TakeOffSequence - An ordered set of planned Take-off events used in departure management. -
TakeOffConfiguration constraint A constraint on the flight configuration caused by the operator's configuration. OperatorConfiguration
TakeOffConfiguration flight The flight for which the configuration applies. Flight
TakeOffConfiguration crewMember Crew member onboard the aircraft. CrewMember
TakeOffConfiguration takeOffWeight The weight of the aircraft at the beginning of the take-off phase. ValMassType
TakeOffConfiguration numberOfTrafficUnits Number of traffic units for the flight. One traffic unit is equivalent to one passenger or 100Kg air freight or 10 kg air mail. Integer
TakeOffConfiguration personsOnBoard The total number of persons (passengers and crew) on board. Integer
TakeOffConfiguration numberOfPassengers The number of passenger for the flight. Integer
TakeOffConfiguration isPassenger Whether the aircraft has passengers onboard at take-off. Boolean
TakeOffConfiguration isCargo Whether the aircraft has cargo onboard at take-off. Boolean
TakeOffConfiguration estimatedTakeOffWeight The weight of the aircraft at the beginning of the take-off phase. ValWeightType
TakeOffConfiguration cargoWeight The weight of the cargo of the flight. ValMassType
TakeOffConfiguration - Aircraft configuration for a given flight. It is the configuration at take-off"." -
TakeOff time Time at which the aircraft leaves the ground and becomes airborne. DateTimeWithPlanningType
TakeOff targetTimeStatus The status of the target take-off time. CodeTargetTimeStatusType
TakeOff - Event in which an aircraft takes-off. -
European Supplement TacticalReroutingProposal tacticalImprovementRoute A tactical route proposed by the ATFM. RouteTrajectory
European Supplement TacticalReroutingProposal status The status of the tactical rerouting proposal. CodeTacticalIReroutingProposalStatusType
European Supplement TacticalReroutingProposal respondBy Time to answer to the reroute proposed. DateTime
European Supplement TacticalReroutingProposal designator Designator of a proposed tactical improvement route. CharacterString
European Supplement TacticalReroutingProposal - A tactical rerouting proposal by the ATFM. -
European Supplement TacticalReroutingConstraint constrainedPoint The point on which the rerouting constraint is defined. SignificantPoint
European Supplement TacticalReroutingConstraint constrainedAirspace Airspace on which the rerouting constraint is defined. Airspace
European Supplement TacticalReroutingConstraint speedConstraint The speed constraint to be respected. SpeedConstraint
European Supplement TacticalReroutingConstraint lateralConstraint missing data LateralConstraint
European Supplement TacticalReroutingConstraint verticalConstraint The vertical constraint to be respected. VerticalConstraint
European Supplement TacticalReroutingConstraint deltaFlightLevel missing data Integer
European Supplement TacticalReroutingConstraint type The type of tactical rerouting constraint. CodeTacticalReroutingConstraintType
European Supplement TacticalReroutingConstraint - A constraint on a tactical rerouting. -
European Supplement TacticalRerouting restrictingFlow The flow used as a criterion to decide if the rerouting measure applies to a flight. Flow
European Supplement TacticalRerouting tacticalReroutingConstraint A constraint that applies to a tactical rerouting measure. TacticalReroutingConstraint
European Supplement TacticalRerouting isFreezeTerminalProceduresOptionTriggered Indication whether the freeze terminal procedures option is triggered. Boolean
European Supplement TacticalRerouting manualReroutingConstraint The definition of a manual rerouting. CharacterString
European Supplement TacticalRerouting tacticalReroutingApplicationType The way the rerouting measure is to be applied. CodeTacticalReroutingApplicationType
European Supplement TacticalRerouting - An ATFM measure which requires an aircraft operator to file an alternate route/flight level in order to resolve ATC capacity problems and minimise delays. -
TACAN declination The angular difference between the direction of the 'zero bearing' indicated by the station and the direction of the True North. Angle
TACAN channel A code indicating the channel of the TACAN system. CodeTACANChannelType
TACAN - A navigation system developed by military and naval forces providing, as far as the navigating pilot is concerned and for suitably equipped aircraft, the same indication as a VOR/DME system. -
European Supplement SurvivalEquipment type The type of equipment carried onboard the aircraft that can be used by the crew and passengers to assist survival in harsh environments in case of emergency. CodeAircraftSurvivalEquipmentType
European Supplement SurvivalEquipment survivalEquipmentType The type of survival equipment carried onboard the aircraft that can be used by the crew and passengers to assist survival in harsh environments in case of emergency. CodeSurvivalEquipmentType
European Supplement SurvivalEquipment number The number of the specific equipment available onboard the aircraft. Integer
European Supplement SurvivalEquipment lifeJacketType The type of life jackets available onboard the aircraft. CodeLifeJacketEquipmentType
European Supplement SurvivalEquipment isCovered Whether the equipment is covered. Boolean
European Supplement SurvivalEquipment dinghyTotalCapacity The total number of persons which can be accommodated by the dinghies carried onboard the aircraft. Integer
European Supplement SurvivalEquipment colour The colour of the equipment. CharacterString
European Supplement SurvivalEquipment - Aircraft equipment that can be used by the crew and passengers to assist survival in harsh environments in case of emergency. -
SurveillanceRadar groundStation The ground station where the radar scope is utilised. Unit
SurveillanceRadar verticalCoverageAzimuth Azimuth for which the radar provides vertical coverage. Angle
SurveillanceRadar verticalCoverageDistance Distance for which the radar provides vertical coverage. ValDistanceType
SurveillanceRadar verticalCoverageAltitude Altitude for which the radar provides vertical coverage. ValVerticalDistanceType
SurveillanceRadar tiltAngle Angle at which the antenna is tilted. Angle
SurveillanceRadar isAntennaTiltFixed Indication whether the antenna tilt is fixed. Boolean
SurveillanceRadar automatedRadarTerminalSystem A system in the air traffic control system using radar intelligence to detect and display pertinent data such as flight identification, altitude, and position of aircraft operating in the terminal area. CharacterString
SurveillanceRadar - Radar equipment used to determine the position of an aircraft in range and azimuth. -
SurveillanceGroundStation isVideoMapAvailable Indication whether a Video Map is available for the component. Boolean
SurveillanceGroundStation - Information about the ground station where the radar scope is utilised. -
SurfaceWeatherObservation surfaceWeatherObservationSystemType The type of surface weather observation system. CodeSurfaceWeatherObservationSystem
SurfaceWeatherObservation - Surface weather observations provide numerous weather elements, that are observed by a variety of sensors, both measurable (e.g., pressure and temperature) and derived elements (e.g., density altitude). -
SurfaceVehicle surfaceVehicleType Type of surface vehicle. CodeSurfaceVehicleIdentificationType
SurfaceVehicle - A vehicle (other than aircraft) which may operate in the airport movement area. -
SurfaceContaminationLayer type The type of contaminating substance on the movement area surface. CodeContaminationType
SurfaceContaminationLayer surfaceExtent Contamination extent. ThreeDimensionalSurfaceType
SurfaceContaminationLayer layerOrder The order of the layer (starting from the uppermost, towards the movement area surface), in case overlapping contaminants are present. Integer
SurfaceContaminationLayer contaminationExtent The proportion of a runway surface that is contaminated by a contaminant, as a percentage of the total runway area. CodeValueContaminationExtentType
SurfaceContaminationLayer - An operationally significant contaminant of homogeneous type such as snow, ice, slush, water, sand, etc., which is present on a large surface of the aerodrome area. -
SurfaceContamination criticalRidge A ridge or bank of contaminant that might affect operations. Ridge
SurfaceContamination layer A layer of contaminant. SurfaceContaminationLayer
SurfaceContamination wasCleared Indication that the surface was cleared. Boolean
SurfaceContamination proportion The percentage of the contaminated area of the overall extent of the surface. Decimal
SurfaceContamination observationTime The date and time of surface contamination measurement completion. DateTime
SurfaceContamination nextObservationTime The date and time of the next intended measurement of conditions on an aerodrome surface. DateTime
SurfaceContamination isFurtherTotalClearanceExpected Indicates that further total clearance of an aerodrome surface with contamination is expected. Boolean
SurfaceContamination isExtremeDesposit Indication that the surface contamination has extreme consequences. Boolean
SurfaceContamination isEstimatedSurfaceFrictionUnreliable Indication that the estimated surface friction is unreliable and is not reported. Boolean
SurfaceContamination hasObscuredLights Indicates that the surface lights are obscured by surface contamination. Boolean
SurfaceContamination furtherClearanceTime The time when it is expected to complete further clearance of an aerodrome surface with contamination. DateTime
SurfaceContamination frictionDevice The type of equipment used to determine the friction coefficient of an aerodrome surface with contamination. CodeFrictionDeviceType
SurfaceContamination frictionEstimation A qualitative estimate of the friction on an aerodrome surface with contamination. CodeFrictionEstimateType
SurfaceContamination frictionCoefficient The average ratio of the weight of an object being moved along an aerodrome surface with contamination and the force that maintains contact between the object and that surface. Decimal
SurfaceContamination depth The depth of the contamination on the surface. ValDistanceType
SurfaceContamination - Presence or removal of hazardous conditions on aerodrome movement areas due to snow, ice, slush, water. -
SurfaceCharacteristics weightSIWL The maximum calculated load on each tire of a landing gear assembly that a movement area surface can support. ValMassType
SurfaceCharacteristics weightAUW The maximum total value of the weight of an aircraft that a movement area surface may support, regardless of the landing gear configuration of the aircraft. ValMassType
SurfaceCharacteristics tyrePressureSIWL The maximum aircraft tire pressure that a movement area surface can support. ValPressureType
SurfaceCharacteristics surfaceCondition The quality of the surface of an aerodrome surface. CodeSurfaceConditionType
SurfaceCharacteristics preparation The preparation technique applied to a surface composition. CodeSurfacePreparationType
SurfaceCharacteristics pavementTypePCN The pavement behaviour (rigid or flexible) used for determining the Pavement Classification Number (PCN). CodePCNPavementType
SurfaceCharacteristics pavementSurfaceClassification A classification of airfield pavement surfaces for Airport Obstruction Charts. CodePavementSurfaceClassificationType
SurfaceCharacteristics pavementSubgradePCN An indication of the pavement subgrade strength related to the Pavement Classification Number (PCN). CodePCNSubgradeType
SurfaceCharacteristics maxTyrePressurePCN The maximum allowable tire pressure category related to the Pavement Classification Number (PCN). CodePCNTyrePressureType
SurfaceCharacteristics evaluationMethodPCN The method used to rate a runway pavement. CodePCNMethodType
SurfaceCharacteristics composition The type of the predominant material of which a surface of the movement area is composed. CodeSurfaceCompositionType
SurfaceCharacteristics classPCN The bearing strength of a pavement for unrestricted operations. Decimal
SurfaceCharacteristics classLCN A value which denotes the peak bearing moment the surface can handle repeatedly without shortening its service life. Decimal
SurfaceCharacteristics - The characteristics of an aerodrome surface. -
European Supplement SupplementaryRate supplementaryRate Number of extra free slots per hour to be added during short periods to the normal rate without triggering a recalculation of the slot allocation process. Integer
European Supplement SupplementaryRate - Supplementary rate information expressed by a regulation for a specific supplementary period, expressed as number of slots per hour. -
State airspace Airspace located within the state borders. Airspace
State city A city belonging to the state. City
State border The border of the state. GeoBorder
State role Role of a Country with respect to Nas. CodeNasRoleType
State isEcacState Indicates if the Country is one of the ECAC states. Boolean
State icaoNationalityLetters Nationality letters as defined by ICAO. CodeICAONationalityLettersType
State iataCountryCode Country codes as defined by IATA and ISO. CodeIATACountryCodeType
State - An internationally recognized geographic entity that provides air traffic service. -
European Supplement StartUpSequencing startUpSequencePositionFixedTime The time at which start up sequence management plans to freeze the sequence position of the flight. DateTime
European Supplement StartUpSequencing startUpSequencePosition The position of a given aircraft in the start up sequence. Integer
European Supplement StartUpSequencing isStartUpSequencePositionFixed Indicator that the position of the flight in the start up sequence has been frozen. Boolean
European Supplement StartUpSequencing isStartUpGivenTimeFixed Indicator that the start up given time has been frozen. Boolean
European Supplement StartUpSequencing - Descriptors of the flight in the pre-departure sequencing process -
StartUpClearance departure Operations for which the start-up clearance applies. DepartureOperations
StartUpClearance time Time at which the Start-Up of the aircraft engines is approved. DateTimeWithPlanningType
StartUpClearance startUpApprovalRequestTime Time the pilot requests start up clearance. DateTimeWithPlanningType
StartUpClearance - Approval from air traffic control to proceed with the Start-Up. -
StartUp departure Operations for which the start-up is executed. DepartureOperations
StartUp time Time at which the aircraft starts up. DateTimeWithPlanningType
StartUp - The start up of the aircraft engines by the flight crew upon the ATC approval. -
StandMarking markedStand Aircraft stand marked by the aircraft stand marking. AircraftStand
StandMarking aircraftStandMarkingType The type of aircraft stand marking. CodeAircraftStandMarking
StandMarking - A symbol or group of symbols displayed on the surface of the Aircraft Stand. -
StandardLevelTable name A code identifying the table of discrete cruising levels. CodeLevelTableDesignatorType
StandardLevelTable isStandardICAO An indication whether the table is according to the ICAO SARPS. Boolean
StandardLevelTable - A table of consecutive cruising levels described under vertical separation criteria limited by an upper and lower level and used by General Air Traffic. -
StandardLevelSector applicableAirspace The airspace into which the standard level sector applies. Airspace
StandardLevelSector applicableLevelColumn The standard level column for which the standard level sector applies. StandardLevelColumn
StandardLevelSector toTrack The end angle of the sector relative to the North. Angle
StandardLevelSector fromTrack The start angle of the sector relative to the North. Angle
StandardLevelSector flightRule A code indicating the flight rules observed by the aircraft. CodeFlightRulesType
StandardLevelSector angleType A code indicating the direction of the zero bearing. CodeNorthReferenceType
StandardLevelSector - The general rule by which standard level columns are used in a national airspace or within a region. -
StandardLevelColumn levelTable The standard level table that the standard level column belongs to. StandardLevelTable
StandardLevelColumn uom The unit of measure used by the column. CodeUomLengthType
StandardLevelColumn standardCruisingLevel A specified cruising level, part of a column within a table of discrete cruising levels used by General Air Traffic. ValVerticalDistanceType
StandardLevelColumn series A code identifying the column. CodeLevelSeriesType
StandardLevelColumn isRvsmApplied Indication that reduced vertical separation minima is applied in the column. Boolean
StandardLevelColumn - A column of consecutive cruising levels within a standard level table. -
StandardInstrumentDeparture departureClearance A departure clearance authorising a flight to fly the standard instrument departure. DepartureClearance
StandardInstrumentDeparture departure Operations for which the SID is used. DepartureOperations
StandardInstrumentDeparture isContingencyRoute Indication whether the standard instrument departure is a contingency route. Boolean
StandardInstrumentDeparture designator The designator of the SID. CharacterString
StandardInstrumentDeparture - A designated instrument flight rule (IFR) departure route linking the aerodrome or a specified runway of the aerodrome with a specified significant point, normally on a designated ATS route, at which the en-route phase of a flight commences. -
StandardInstrumentArrival designator The designator of the STAR. CharacterString
StandardInstrumentArrival - A designated instrument flight rule (IFR) arrival route linking a significant point, normally on an ATS route, with a point from which a published instrument approach procedure can be commenced. -
European Supplement StandardInstrumentArrival amanAdvisory The AMAN advisory to use the STAR. ArrivalManagementAdvisory
European Supplement StandardInstrumentArrival - A designated instrument flight rule (IFR) arrival route linking a significant point, normally on an ATS route, with a point from which a published instrument approach procedure can be commenced. -
SSRCode modeSIdentifier The ICAO aircraft address used in Mode S. AircraftAddress
SSRCode status The status of the SSR code. CodeSSRCodeStatusType
SSRCode modeSType Type of mode S CodeModeSType
SSRCode mode The surveillance system used for the SSR code. CodeSSRModeType
SSRCode codeCategory The category of code according to the type of flight. CodeSSRCategoryType
SSRCode code Four numerics giving the SSR code assigned to the aircraft by ATS. CharacterString
SSRCode - The number assigned to a particular multiple pulse reply signal transmitted by a transponder in Mode A or Mode C. -
SpeedRangeType upper The upper limit of the speed range. ValSpeedType
SpeedRangeType lower The lower limit of the speed range. ValSpeedType
SpeedRangeType - The area of variation of a speed between upper and lower limits. -
SpeedConstraint - A restriction brought to the speed component of the trajectory of an aircraft. -
European Supplement SpeedConstraint requiredRateOfClimbOrDescentChange The change of rate of climb or descent required by the speed constraint. RateOfClimbOrDescentChange
European Supplement SpeedConstraint requiredSpeedChange The change of speed required by the speed constraint. SpeedChange
European Supplement SpeedConstraint - A restriction brought to the speed component of the trajectory of an aircraft. -
European Supplement SpeedChange startSignificantPoint The Significant Point at which the change of speed commences. SignificantPoint
European Supplement SpeedChange speed The new speed when the speed change is completed. ValSpeedType
European Supplement SpeedChange assignedSpeed Speed to be respected when flying over the point. ValSpeedWithBoundaryType
European Supplement SpeedChange - A change of speed during the execution of the Flight. -
European Supplement SpecialSSRCode type The type of special SSR code. CodeSpecialSSRCodeType
European Supplement SpecialSSRCode - SSR Code used in case of an emergency. -
SpecialNavigationSystem responsibleOrganisation The organisation responsible for the equipment. Organisation
SpecialNavigationSystem station SpecialNavigationStation which provides a service in the SpecialNavigationSystem chain SpecialNavigationStation
SpecialNavigationSystem type A code indicating the type of special navigation system. CodeSpecialNavigationSystemType
SpecialNavigationSystem name The textual name of the chain of a special navigation system. CharacterString
SpecialNavigationSystem designator The designator of a special navigation system chain. CharacterString
SpecialNavigationSystem - Wide area (worldwide) navigation systems based on a chain of land or maritime stations providing radio frequency signals which can be used by airborne equipment to determine at least, the mobile two-dimensional position. -
SpecialNavigationStationStatus operationalStatus The operational status of the special navigation station. CodeStatusNavaidType
SpecialNavigationStationStatus - Information about the status of the special navigation station. -
SpecialNavigationStation responsibleOrganisation The organisation responsible for the station. Organisation
SpecialNavigationStation systemChain A special navigation system chain to which the station belongs. SpecialNavigationSystem
SpecialNavigationStation availability The operational status of the special navigation station. SpecialNavigationStationStatus
SpecialNavigationStation type A code indicating the type of service within the chain. CodeSpecialNavigationStationType
SpecialNavigationStation name The textual name of the station. CharacterString
SpecialNavigationStation frequency The value of the emission frequency. ValFrequencyType
SpecialNavigationStation emission A code indicating the type of emission, as defined at the 1979 ITU World Administrative Radio Conference. CodeRadioEmissionType
SpecialNavigationStation - A land based station of a special navigation system. -
SpecialDate organisation The organisation that observes the special date. Organisation
SpecialDate type The kind of special date. CodeParticularDayType
SpecialDate name The name by which the date is known by the public (especially for public holidays). CharacterString
SpecialDate dateYear The year concerned. Date
SpecialDate dateDay The calendar date concerned. Date
SpecialDate - A calendar date that has a special meaning for a particular state or organisation. -
SpaceWeather - The physical and phenomenological state of the natural space environment, including the Sun and the interplanetary and planetary environments. -
SolarRadiation solarRadiatiionStormLevelScale The correlation of solar radiation storm related space weather events with their likely effects on technological systems. CodeSpaceWeatherScaleType
SolarRadiation solarRadiationProtonFlux The amount of solar energetic protons passing through a specified area in a given time period. ValParticleFluxType
SolarRadiation - Electromagnetic radiation emitted by the Sun with a spectrum close to the one of a black body with a temperature of 5770 K. The radiation peaks in visible wavelengths. When compared to the terrestrial radiation it is often referred to as shortwave radiation. -
SolarFlare xRayFlux The amount of solar x-rays passing through a specified area in a given time period. ValEnergyFluxType
SolarFlare solarFlareRadioBlackoutScale The correlation of the radio blackout related space weather events with their likely effects on technological systems. CodeSpaceWeatherScaleType
SolarFlare - Bright eruption from the Sun's chromosphere. Solar flares are classified in terms of the area of chromosphere affected, the duration of the phenomenon, and the width of the Ha line of hydrogen, on a scale ranging from 1- (minor eruption) to 3+ (very large eruption). -
European Supplement SlotAssignmentHistory dateAssigned Date at which the airport slot had been assigned to the flight. DateTime
European Supplement SlotAssignmentHistory - Date at which the airport slot had been assigned to the flight. -
European Supplement SlotAllocationList regulation The regulation for which the slot lists apply. ATFMRegulation
European Supplement SlotAllocationList slot An ATFM regulation slot that is part of the slot allocation list. ATFMRegulationSlot
European Supplement SlotAllocationList - List of all slots corresponding to the regulation rate and period. -
SimplifiedDirectionalFacility trueBearing The measured angle between the localizer beam and True North at the localizer antenna. Angle
SimplifiedDirectionalFacility magneticBearing The measured angle between the localizer beam and Magnetic North at the localizer antenna. Angle
SimplifiedDirectionalFacility frequency The frequency of the localizer. ValFrequencyType
SimplifiedDirectionalFacility - A radio navigation aid providing a final approach course similar to, but less precise than, that of the ILS localizer. -
SignificantPoint pointReference The location of a significant point defined using a combination of angles and distances based on the navaid system, radar system or special navigation system. PointReference
SignificantPoint designatorType The rules by which the significant point designator has been created. CodeSignificantPointDesignatorType
SignificantPoint designator The coded identifier of the significant point. CharacterString
SignificantPoint - A specified geographical location used in defining an ATS route or the flight path of an aircraft and for other navigation and ATS purposes. -
ServiceProviderCallsign language A code indicating the language in which the service is provided on a particular frequency, as associated with a particular call-sign. LanguageCode
ServiceProviderCallsign callSign The full textual service provider identification or call-sign for a particular frequency. CharacterString
ServiceProviderCallsign - Information about the operational identifier by which the provider of the service is called and the language used. -
ServiceOperationalStatus operationalStatus Indication of the operational capability of the service. CodeStatusServiceType
ServiceOperationalStatus - The operational status of the service. -
European Supplement ServiceAtStand type Type of service available at a stand, such as visual docking guidance system. CodeStandServiceType
European Supplement ServiceAtStand - A service that is provided for the movements at a stand. For example: visual docking guidance system. -
European Supplement ServiceAtGate type Type of service available at a Gate. CharacterString
European Supplement ServiceAtGate - A service that is provided at a gate. -
European Supplement ServiceAtApron type Type of service available at an apron area, such as Marshal management service. CodeApronServiceType
European Supplement ServiceAtApron - A service that is provided for the movements at an apron. For example: Marshal management service. -
Service radioCommunication The radio frequency on which the service is provided. RadioCommunicationChannel
Service groundCommunication The point of contact on the ground for the service. ContactInformation
Service serviceProvider The unit that provides the service. Unit
Service availability The operational status of the service. ServiceOperationalStatus
Service callSign The callsign of the unit providing the service. ServiceProviderCallsign
Service rank The order of priority of the service, such as primary" or "alternate". " CodeFacilityRankingType
Service name A free text name by which the service is identified. CharacterString
Service isCompliantICAO A code indicating whether the service is compliant with the ICAO standards and recommended practices specified for this type of service. Boolean
Service flightOperations The destination (arriving, departing, etc.) of the flights for which the information is provided. CodeFlightServiceAvailabilityType
Service - The provision of tangible goods, information, instructions or guidance. -
SeparationMode arrivalSeparationMode Arrival separation mode (distance based or time based separation) used for arrival sequence. CodeArrivalSeparationModeType
SeparationMode - An approved set of rules, procedures and conditions of application associated with separation minima. -
SeparationMinima separationMode The separation mode with which the separation minima are associated. SeparationMode
SeparationMinima - The minimum displacements between an aircraft and a hazard which maintain the risk of collision at an acceptable level of safety. -
European Supplement Sensor systemAreaCode System Area Code identifying the region where the system is located CharacterString
European Supplement Sensor - A generic piece of equipment which detects targets and generates target reports. -
SegmentLeg aircraftCategory The aircraft category for which the segment leg is valid. AircraftCategory
SegmentLeg startTerminalSegmentPoint The point used to indicate the beginning of a segment. InfrastructurePoint
SegmentLeg endTerminalSegmentPoint The point used to indicate the end of a segment. InfrastructurePoint
SegmentLeg arcCentre The center point used to define an arc. InfrastructurePoint
SegmentLeg holding Established holding used on a procedure. HoldingProcedure
SegmentLeg angle The angle defined to limit aircraft trajectory. AngleIndication
SegmentLeg designSurface An evaluation area used when designing a procedure segment to insure safety of aircraft. ObstacleAssessmentArea
SegmentLeg distance The distance defined to limit aircraft trajectory. DistanceIndication
SegmentLeg verticalAngle The vertical climb angle of the aircraft on the procedure leg. Angle
SegmentLeg upperLimitAltitude The upper limit altitude. ValVerticalDistanceType
SegmentLeg turnDirection The direction of the turn. CodeDirectionTurnType
SegmentLeg speedReference A code indicating the reference system for a speed value. CodeSpeedReferenceType
SegmentLeg speedLimit The value of the speed limit on the procedure leg. ValSpeedType
SegmentLeg speedInterpretation Indication how the speed attribute of a procedure leg should be interpreted. CodeAltitudeUseType
SegmentLeg lowerLimitAltitude The lower limit altitude. ValVerticalDistanceType
SegmentLeg length The length of the segment. ValDistanceType
SegmentLeg legType The type of 'path and terminator' as given in ARINC Specification 424, Attachment 5, Path and Terminator. CodeSegmentPathType
SegmentLeg legPath The type of flight path. CodeLegPathType
SegmentLeg isProcedureTurnRequired Indication whether a procedure turn is required at the end of the segment leg. Boolean
SegmentLeg endConditionDesignator An indication of the event that allows identifying the end of the leg and the start of the next leg on the procedure. CodeSegmentTerminationType
SegmentLeg duration The duration of the segment. TM_Duration
SegmentLeg courseType A code indicating the type of course to be observed. CodeCourseType
SegmentLeg courseDirection The flight direction to/from the navaid providing the course guidance. CodeRelativeDirectionType
SegmentLeg course The value of the course angle. Angle
SegmentLeg bankAngle The recommended bank angle of the aircraft on the turn. Angle
SegmentLeg altitudeOverrideATC Alternate altitude when directed by Air Traffic Control. ValVerticalDistanceType
SegmentLeg altitudeInterpretation A code indicating how the altitude attributes of a procedure leg should be interpreted. CodeAltitudeUseType
SegmentLeg - A part of an instrument or visual flight procedure defined by two consecutive significant points. -
European Supplement SectorConfigurationActivation isActive Sector configuration is active or not. Boolean
European Supplement SectorConfigurationActivation - Information about the operational status of the sector configuration. -
European Supplement SectorConfiguration controlSector A subdivision of a designated control area within which responsibility is assigned to one controller or to a small group of controllers. Airspace
European Supplement SectorConfiguration controlArea The control area for which the sector configuration is defined. Airspace
European Supplement SectorConfiguration activation The operational status of the sector configuration SectorConfigurationActivation
European Supplement SectorConfiguration - The four dimensional description of an ATS unit airspace sector, or group of sectors, which may be operated on a permanent or temporary basis. -
SecondarySurveillanceRadar transponder The transponder mode. CodeTransponderType
SecondarySurveillanceRadar isMonopulse Indication whether the SSR is monopulse radar. Boolean
SecondarySurveillanceRadar isAutonomous Indication whether the SSR is autonomous. Boolean
SecondarySurveillanceRadar - A surveillance radar system which uses transmitters/receivers (interrogators) and transponders. -
SearchAndRescueService clientAirspace The airspace where the search and rescue service is available. Airspace
SearchAndRescueService clientRoute The route for which the search and rescue service is provided. RoutePortion
SearchAndRescueService type The type of search ad rescue service provided. CodeServiceSARType
SearchAndRescueService - The performance of distress monitoring, communication, coordination and search and rescue functions, initial medical assistance or medical evacuation, through the use of public and private resources, including cooperating aircraft, vessels and other craft and installations. -
SeaplaneRampSite seaplaneLandingArea The SeaplaneLandingArea associated with the SeaplaneRampSite SeaplaneLandingArea
SeaplaneRampSite guidanceLine A centreline providing guidance on the seaplane ramp. SeaplaneRampCentreline
SeaplaneRampSite width A measurement of the width of the Seaplane Ramp Site. ValDistanceType
SeaplaneRampSite slope A measurement of the slope of the Seaplane Ramp Site. ValDistanceType
SeaplaneRampSite name Any commonly used name associated with the Seaplane Ramp Site. CharacterString
SeaplaneRampSite - Ramps specifically designed to transit seaplanes from land to water and vice versa. -
SeaplaneRampCentreline name Any commonly used name associated with the Seaplane Ramp Centerline. CharacterString
SeaplaneRampCentreline length The length measurement of the Seaplane Ramp Centerline from the water to the shoreline. ValDistanceType
SeaplaneRampCentreline - The centerline of ramps specifically designed to transit seaplanes to or from land or water. -
SeaplaneLandingArea associatedAerodrome The aerodrome the seaplane landing area is associated with. Aerodrome
SeaplaneLandingArea anchorageArea An anchorage area at the seaplane landing area. AnchorageArea
SeaplaneLandingArea dockingArea A docking area used by the seaplane landing area. DockingArea
SeaplaneLandingArea dockSite Seaplane landing area dock site. FloatingDockSite
SeaplaneLandingArea availability The operational status of the seaplane landing area. ManoeuvringAreaAvailability
SeaplaneLandingArea markingBuoy A buoy used to mark the SeaplaneLandingArea MarkingBuoy
SeaplaneLandingArea taxiChannel A taxi channel used at the seaplane landing area. TaxiChannel
SeaplaneLandingArea turningBasin A turning basin used at the seaplane landing area. TurningBasin
SeaplaneLandingArea waterLaneEnd A water lane end used for take-off and landing. WaterLaneEnd
SeaplaneLandingArea rampSite Landing area ramp site location. SeaplaneRampSite
SeaplaneLandingArea width The overall width measurement of the seaplane landing area to the nearest 5 feet. ValDistanceType
SeaplaneLandingArea tidalRange The calculated height difference between the mean low tide and the mean high tide. ValDistanceType
SeaplaneLandingArea name Name of the feature water body (river/lake). CharacterString
SeaplaneLandingArea length The overall length measurement of the seaplane landing area to the nearest 5 feet. ValDistanceType
SeaplaneLandingArea currentFlowRate The measured current flow rate in the Water Operating Area. ValSpeedType
SeaplaneLandingArea currentFlowCardinalDirection Code indicating the cardinal compass location of the turning basin from centroid of the water lane end. CodeCompassPointType
SeaplaneLandingArea coordinatedUseActivityLevel The amount of activity based on percentage of daily use of the primary coordinated use type. If coordinated use type is multiple provide the largest activity level of the single most expected activity. Integer
SeaplaneLandingArea coordinatedUse The primary coordinated use of the waterway. CodeWaterOperatingAreaCoordinatedUseType
SeaplaneLandingArea - A defined area on water at an aerodrome prescribed for the landing and take-off of seaplanes. -
SeaCondition sea The sea which is subject to observation or forecast. Sea
SeaCondition seaState The state of agitation of the sea resulting from various factors such as wind, swell, currents, angle between swell and wind, etc. CodeSeaStateType
SeaCondition - Weather observations or forecasts over a defined area of sea. -
Sea - Large body of (salt-) water which can have a high meteorological impact on air-traffic taking place above it. -
SatelliteWeatherObservingSystem weatherSatelliteOrbitType The weather satellite's orbit. CodeWeatherSatelliteOrbitType
SatelliteWeatherObservingSystem - Weather satellites transmit visible imagery for daytime observing, infrared photos for both day and night observing and water vapor imagery that identify locations of moist and dry air (important for thunderstorm forecasting). Satellite imagery and data are also detection sources of convection, volcanic ash, ceiling, and fog products used in flight planning. -
SafeAltitudeAreaSector sectorDefinition A portion of a circle. CircleSector
SafeAltitudeAreaSector significantObstacle The obstacle that controls the altitude definition of the sector. Obstruction
SafeAltitudeAreaSector bufferWidth Width of the secondary area used to evaluate the lowest usable altitude for obstacle assessment. ValDistanceType
SafeAltitudeAreaSector - Subdivision of the Minimum Sector Altitudes to allow for lower altitudes. -
SafeAltitudeArea centrePoint The point used to build the safe altitude area. InfrastructurePoint
SafeAltitudeArea location The localisation of the safe altitudes area at a specific aerodrome. Aerodrome
SafeAltitudeArea sector A subdivision of the safe altitude area designed to provide the lowest altitude possible and maintain safety. SafeAltitudeAreaSector
SafeAltitudeArea safeAreaType The type of area. CodeSafeAltitudeType
SafeAltitudeArea - A set of Minimum Sector Altitudes which completely describe an area centred on a significant point, usually contained within a sector of 46km (25NM) radius. -
RunwayVisualRangeSystem rvr The RVR provided by the runway visual range system. RunwayVisualRange
RunwayVisualRangeSystem readingPosition The position along the runway direction for which the Runway Visual Range (RVR) reading is provided. CodeRVRReadingType
RunwayVisualRangeSystem - A meteorological equipment providing information about the distance over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line. -
RunwayVisualRange associatedRunwayDirection The runway direction for which the RVR is specified. RunwayDirection
RunwayVisualRange rvrValueInterpretation The relational operator that can be used for interpreting the RVR value, for instance in order to express a mean RVR of at least 2000 meters (ABOVE 2000 meters). CodeValueInterpretationType
RunwayVisualRange rvrValue Value of the Runway Visual Range. ValDistanceType
RunwayVisualRange rvrTendency When instrumented systems are used for the assessment of runway visual range, the variations in runway visual range during the 10-minute period immediately preceding the observation. CodeRVRTendencyType
RunwayVisualRange - The range over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line. -
European Supplement RunwaySequencing runwayUseSequencePostion The position of a given aircraft in the time order of using the runway (runway mix sequence), i.e. relative to all other aircraft landing on or taking off from the same runway. CharacterString
European Supplement RunwaySequencing runwayUsePositionFixedTime The time at which runway sequence management plans to freeze the sequence position of the flight DateTime
European Supplement RunwaySequencing isRunwayUsePositionFixed Indicator that the position of the flight in the runway use sequence has been frozen. Boolean
European Supplement RunwaySequencing isPriorityHandled A status code indicating that ATC handles the flight with priority, usually overriding the AMAN recommendations. Boolean
European Supplement RunwaySequencing isManagedManually A status code indicating that ATC handles the flight manually, overriding the AMAN recommendations. Boolean
European Supplement RunwaySequencing isEmergencyHandled Indication that the flight is sequenced considering it as being in an emergency status. Boolean
European Supplement RunwaySequencing - Descriptors of the flight in the runway sequencing process -
RunwaySectionContamination contaminatedRunway The contaminated runway. Runway
RunwaySectionContamination section Indicates the part of the runway that is affected. This supports indicating the contamination information on each third of the runway length, starting from the threshold of the runway direction having the lower designation number. CodeRunwaySectionType
RunwaySectionContamination - The presence or removal of hazardous conditions due to snow, ice, slush, water, etc. on a section of the runway surface. -
RunwaySafetyArea determinationDate The date the RSA determination was approved. DateTime
RunwaySafetyArea determination A formal declaration of the RSA condition with respect to standards and any requirement improvements. CharacterString
RunwaySafetyArea - A defined surface surrounding the runway prepared or suitable for reducing the risk of damage to airplanes in the event of an undershoot, overshoot, or excursion from the runway. -
RunwayProtectAreaLightSystem lightedArea The protection area lit by the runway project area light system. RunwayProtectArea
RunwayProtectAreaLightSystem position An indication of the part of the runway served by the runway protect area lighting system. CodeProtectAreaSectionType
RunwayProtectAreaLightSystem - The lighting for the runway protect area. -
RunwayProtectArea protectedRunwayDirection The runway direction protected by the protection area. RunwayDirection
RunwayProtectArea runwayElement The runway element which contains the runway protect area. RunwayElement
RunwayProtectArea runwayProtectAreaLightSystem The light system provided for a runway protect area. RunwayProtectAreaLightSystem
RunwayProtectArea type A type of runway protect area. CodeRunwayProtectionAreaType
RunwayProtectArea status The operational status of an aerodrome movement area, as a category. CodeStatusOperationsType
RunwayProtectArea name The name of the Runway Protection Area. CharacterString
RunwayProtectArea - An area situated in the vicinity of a runway or provided to protect aircraft during manoeuvring, take-off and landing operations. -
European Supplement RunwayOperationalConstraints currentLandingRate The number of aircraft allowed to approach the Runway Direction per hour, taking all operational constraints into account. Integer
European Supplement RunwayOperationalConstraints currentILSCategory The ILS category currently applicable for the runway direction. CodeInstrumentApproachCategoryType
European Supplement RunwayOperationalConstraints currentRunwayMode The current use of the runway direction for flight operations in the context of a certain runway configuration. CodeRunwayDirectionOperationModeType
European Supplement RunwayOperationalConstraints - The operational parameters constraining the use of the runway direction in the given active configuration. -
European Supplement RunwayMode configuredMode The runway mode defined for use of a runway direction in a given configuration. CodeRunwayDirectionOperationModeType
European Supplement RunwayMode - The intended use of a runway direction for flight operations in the context of a certain runway configuration. -
European Supplement RunwayMixSequence arrivalSequence The arrival subsequence contained in the runway mix sequence. LandingSequence
European Supplement RunwayMixSequence departureSequence The departure subsequence contained in the runway mix sequence. TakeOffSequence
European Supplement RunwayMixSequence frozenSequenceEntry The trajectory point at which arrival management plans to freeze the sequence position of the flight LandingSequencing
European Supplement RunwayMixSequence runwayInUse The runway the sequence refers to. RunwayDirection
European Supplement RunwayMixSequence - The order in which two or more aircraft are planned to land on or take-off from a given runway in a given direction, taking into account ATM constraints. The Runway Mix Sequence consists of a Landing Sequence and a Take-off Sequence. -
RunwayMarking runwayCentrelinePoint The runway centreline point marked. InfrastructurePoint
RunwayMarking markedRunway Runway that is marked. Runway
RunwayMarking protectedRunway The runway protected by the runway markings. Runway
RunwayMarking runwayBlastPad TThe runway blast pad the runway markings. RunwayBlastPad
RunwayMarking landingDirection The runway direction marked by the runway markings. RunwayDirection
RunwayMarking runwayElement The runway element having the runway markings. RunwayElement
RunwayMarking protectedTaxiway The taxiway protected by the runway markings. Taxiway
RunwayMarking runwayProtectArea The runway protect area marked by the runway markings. RunwayProtectArea
RunwayMarking runwayMarking A section of runway marking which forms part of a larger marking. RunwayMarking
RunwayMarking runwayMarkingType The type of runway marking. CodeRunwayMarkingType
RunwayMarking - A symbol or group of symbols displayed on the surface of the runway in order to convey aeronautical information. -
RunwayExitLine runway The runway served by the exit line Runway
RunwayExitLine exitType Type of runway exit. CodeRunwayExitType
RunwayExitLine - Guidance line painted on the runway exit. -
RunwayElement runwayCentrelinePoint The runway centreline point. InfrastructurePoint
RunwayElement guidanceLine A guidance line associated with the runway element. GuidanceLine
RunwayElement availability The operational status of the runway element. ManoeuvringAreaAvailability
RunwayElement associatedRunway Runway associated with the element. Runway
RunwayElement runwayDirection The RunwayDirection whose start is characterised by the RunwayElement RunwayDirection
RunwayElement taxiwayElement A taxiway element associated with the runway element. TaxiwayElement
RunwayElement runwayElement A runway element associated with this runway element. RunwayElement
RunwayElement surfaceProperties Surface characteristics of the runway element. SurfaceCharacteristics
RunwayElement width The width of the runway element. ValDistanceType
RunwayElement type The type of runway element. CodeRunwayElementType
RunwayElement length The length of the runway element. ValDistanceType
RunwayElement gradeSeparation An indicator of the placement of the element at a different height from another element. CodeGradeSeparationType
RunwayElement - A portion of a runway. -
RunwayDirectionLightSystem associatedRunwayDirection Runway direction associated with the runway direction light system. RunwayDirection
RunwayDirectionLightSystem runwayStatusLightType The type of runway status lights (RWSL). CodeRunwayStatusLightsType
RunwayDirectionLightSystem runwayEdgeLightingType The type of runway edge lighting. CodeRunwayEdgeLightingType
RunwayDirectionLightSystem position A indication of the part of the runway served by the runway direction lighting system. CodeRunwaySectionType
RunwayDirectionLightSystem inRunwayLightingType The type of In-Runway lighting. CodeInRunwayLightingType
RunwayDirectionLightSystem category The category of runway lights. CodeRunwayLightingCategoryType
RunwayDirectionLightSystem - The lighting system provided for a landing and take-off direction, including the stopway lights. -
RunwayDirection suitableAircraft Aircraft for which this runway direction is suitable. AircraftType
RunwayDirection runwayCentrelinePoint The centre line point of the runway direction. InfrastructurePoint
RunwayDirection capacity The capacity of the runway direction. Capacity
RunwayDirection approachLightingSystem The LightSystem provided for an RunwayDirection ApproachLightingSystem
RunwayDirection arrestingGear The arresting gear used on the runway direction. ArrestingGear
RunwayDirection availability The operational status of the runway direction. ManoeuvringAreaAvailability
RunwayDirection usedRunway The runway used by the runway direction. Runway
RunwayDirection runwayBlastPad A runway blast pad used on the runway direction. RunwayBlastPad
RunwayDirection dependentRunwayDirection A dependent runway direction. RunwayDirection
RunwayDirection rvr The runway visual range. RunwayVisualRange
RunwayDirection runwayProtectArea The ProtectArea protecting the RunwayDirection RunwayProtectArea
RunwayDirection runwayDirectionLightSystem The LightSystem provided for an RunwayDirection RunwayDirectionLightSystem
RunwayDirection visualGlideSlopeIndicator The VisualGlideSlopeIndicator which provides guidance for the RunwayDirection. VisualGlideSlopeIndicator
RunwayDirection navaid The navaid installed at a particular landing area. RadioNavigationService
RunwayDirection startingElement The runway element that starts the runway direction. RunwayElement
RunwayDirection trueBearingAccuracy The accuracy of the measured angle between the runway direction and true north at a given position. Angle
RunwayDirection trueBearing The measured angle between the runway direction and true north at a given position. Angle
RunwayDirection touchDownZoneSlope Touchdown zone longitudinal slope (slope of 1/3 of the runway length from threshold or first 3000 feet for runways longer than 9000 feet) for a runway direction. Decimal
RunwayDirection touchDownZoneElevationAccuracy The accuracy of the reported touch down zone elevation of runway direction. ValDistanceType
RunwayDirection touchDownZoneElevation The highest elevation of the runway touch down zone for a runway direction. ValVerticalDistanceType
RunwayDirection thresholdToThresholdGradientSlope Threshold to threshold gradient slope. Decimal
RunwayDirection precisionApproachGuidance Degree to which navigation aids provide accurate approach guidance for a runway direction. CodeInstrumentRunwayType
RunwayDirection patternVFR The direction of the VFR flight pattern at an aerodrome for a runway direction. CodeDirectionTurnType
RunwayDirection magneticBearing The measured angle between the runway direction and magnetic north at a given position. Angle
RunwayDirection isUsedForInstrumentFlightRuleProcedures Indicates that the runway is used for Instrument Flight Rule procedures. Boolean
RunwayDirection isStraightInNightOperations isStraightInNightOperations of type Boolean Definition: An indicator used to identify an approach end of a runway expected to support instrument night operations, serving approach Category A and B aircraft only. " Boolean
RunwayDirection isRightHandTrafficPattern An indicator used to identify if there is a right hand traffic pattern for the landing aircraft. Boolean
RunwayDirection isPositiveVerticalGuidance An indicator used to identify an approach end of a runway expected to accommodate approaches with vertical guidance. Boolean
RunwayDirection displacedThresholdApproachRatio The distance of the controlling obstruction from the runway end (minus 200 feet for hard surface runways) in ratio to the height of the controlling obstruction above the runway end. Scale
RunwayDirection designator A designator for one of the two possible landing and/or take-off directions of a runway or final approach and take-off area. CharacterString
RunwayDirection approachMarkingType The type of runway direction marking related to landing categories. CodeApproachMarkingType
RunwayDirection approachMarkingCondition The quality of the runway marking. CodeMarkingConditionType
RunwayDirection - One of the two possible landing and/or take-off directions of a runway or Final Approach and Take-off Area (FATO). -
European Supplement RunwayDirection flightSequence A set of flights ordered by the planned actual time of an event. RunwayMixSequence
European Supplement RunwayDirection landingSequence The order in which two or more aircraft are planned to land taking into account ATM constraints, i.e. the order by APTT. LandingSequence
European Supplement RunwayDirection takeOffSequence The order in which two or more aircraft are planned to take off taking into account ATM constraints. TakeOffSequence
European Supplement RunwayDirection - One of the two possible landing and/or take-off directions of a runway or Final Approach and Take-off Area (FATO). -
RunwayDeclaredDistance runwayCentrelinePoint The runway centreline point marking the declared distance. InfrastructurePoint
RunwayDeclaredDistance type The type of a conventional operational distance declared for a runway direction. CodeDeclaredDistanceType
RunwayDeclaredDistance distanceAccuracy The accuracy of the value of a conventional operational distance declared for a runway direction. ValDistanceType
RunwayDeclaredDistance distance The conventional operational distance declared for a runway direction. ValDistanceType
RunwayDeclaredDistance - A conventional operational distance declared for a runway direction. -
RunwayContamination contaminatedRunway The contaminated runway. Runway
RunwayContamination obscuredLightsSide Indicates the side of the runway on which the lights are obscured by contamination. CodeRelativePositionType
RunwayContamination isTaxiwayAvailable An indication that there are cleared taxiways available serving that runway. Boolean
RunwayContamination isApronAvailable An indication that there are cleared aprons available serving a runway. Boolean
RunwayContamination furtherClearanceWidth Width of runway that is expected to be cleared of contamination, if less than the total width. ValDistanceType
RunwayContamination furtherClearanceLength Length of runway that is expected to be cleared of contamination, if less than the total length. ValDistanceType
RunwayContamination clearedSide Indicates that the cleared width is offset left or right of a runway centre line. CodeRelativePositionType
RunwayContamination clearedWidth Width of runway cleared of contamination, if less than the total width. ValDistanceType
RunwayContamination clearedLengthBegin The distance from the threshold of the runway direction having the lowest designator number to the point where the cleared portion starts, in case of partial clearance. ValDistanceType
RunwayContamination clearedLength Length of runway cleared of contamination, if less than the total length of the runway. ValDistanceType
RunwayContamination - The presence or removal of hazardous conditions due to snow, ice, slush, water, etc. on the runway surface. -
European Supplement RunwayConfiguration runwayDirection A runway direction within the configuration. RunwayDirection
European Supplement RunwayConfiguration runwayConfigurationUsabilityFactor Percentage of the time where this runway configuration is used rather than another one for the same airport. Decimal
European Supplement RunwayConfiguration designator Name identifying a runway configuration. CharacterString
European Supplement RunwayConfiguration description Free text field used to describe a runway configuration. CharacterString
European Supplement RunwayConfiguration - Configuration of runway directions available for use in a given airport operational mode. -
RunwayCondition runway The runway which is subject to observation or forecast. Runway
RunwayCondition rvr The observed or forecast runway visual range. RunwayVisualRange
RunwayCondition temperature The temperature measured by a probe under the runway surface at the touchdown (TDZ) zone. ValTemperatureType
RunwayCondition qfe Atmospheric pressure at runway threshold elevation. A pressure type altimeter calibrated in accordance with the Standard Atmosphere, when set to a QFE altimeter setting using this particular pressure value, will indicate the height above the touch-down zone of the runway. ValPressureType
RunwayCondition - Weather observations and / or forecasts related to a runway. May be defined for single or multiple runways. -
RunwayBlastPad runwayProtectArea A runway protect area associated with the runway blast pad. RunwayProtectArea
RunwayBlastPad runwayElement The runway element which contains the blast pad. RunwayElement
RunwayBlastPad usedRunwayDirection The runway direction containing the blast pad. RunwayDirection
RunwayBlastPad surfaceProperties Surface properties of the blast pad. SurfaceCharacteristics
RunwayBlastPad width The total width of the blast pad surface. ValDistanceType
RunwayBlastPad status The operational status of an aerodrome movement area related directly to the runway blast pad. CodeStatusOperationsType
RunwayBlastPad length The overall length of a barrier used to divert and/or dissipate jet and/or propeller blast. ValDistanceType
RunwayBlastPad - Specially prepared surface placed adjacent to the end of a runway to eliminate the erosive effect of the high wind forces produced by airplanes at the beginning of their take-off rolls. -
Runway overallContaminant Runway contaminant. RunwayContamination
Runway areaContaminant Area contamination of a runway. RunwaySectionContamination
Runway associatedAerodrome The aerodrome the runway is associated with. Aerodrome
Runway radarSystem Radar sytem serving the runway. RadarSystem
Runway surfaceProperties Surface characteristics of the runway. SurfaceCharacteristics
Runway touchDownLiftOff The TouchDownLiftOff area of a Runway of type FATO TouchDownLiftOff
Runway runwayMarking The Marking marked on the Runway RunwayMarking
Runway protectingTaxiHoldingPosition A TaxiHoldingPosition which prevents the entry on the Runway TaxiwayHoldingPosition
Runway runwayDirection One landing and take-off direction of a Runway RunwayDirection
Runway runwayElement The RunwayElement which belongs to the Runway RunwayElement
Runway widthStrip The physical width of the strip. ValDistanceType
Runway widthShoulder The runway shoulder width. ValDistanceType
Runway widthOffset A value specifying the lateral offset of the strip, when it is not symmetrically extended beyond the two runway edges. ValDistanceType
Runway widthAccuracy Accuracy of the value of the physical width of the runway. ValDistanceType
Runway type The type of runway. CodeRunwayType
Runway nominalWidth The declared transversal extent of the runway for operational (performance) calculations. ValDistanceType
Runway nominalLength The declared longitudinal extent of the runway for operational (performance) calculations. ValDistanceType
Runway lengthStrip The physical length of the strip. ValDistanceType
Runway lengthOffset A value specifying the longitudinal offset of the strip, when it is not symmetrically extended beyond the two runway ends. ValDistanceType
Runway lengthAccuracy Accuracy of the value of the physical length of the runway. ValDistanceType
Runway isMilitaryAssaultStrip An indicator used to identify if the runway is a military assault strip. Boolean
Runway isAbandoned An indicator that the surface is no longer in operational use, but is still physically present and visible, although usually in a degraded state. Boolean
Runway designator The designator of a runway, used to uniquely identify it at an aerodrome. CharacterString
Runway - A defined rectangular area on a land aerodrome prepared for the landing and take-off of aircraft. -
RulesProcedures affectedArea Airspace within which the rule or procedure is applicable. Airspace
RulesProcedures affectedLocation Aerodrome where the rule or procedure is effective. Aerodrome
RulesProcedures title A general heading by which the rule or procedure is usually identified in the Aeronautical Information Publications (AIP) or similar/related documents. CodeRuleProcedureTitleType
RulesProcedures content The definition of the actual content of the rule or procedure. CharacterString
RulesProcedures category An indication of the purpose of the rule or procedure. CodeRuleProcedureType
RulesProcedures - An instruction or regulation that needs to be considered by personnel involved in flight operations in relation with an aerodrome or an airspace. -
RouteTrajectorySegment procedure The procedure used by the trajectory element. Procedure
RouteTrajectorySegment route The route used by the trajectory element. Route
RouteTrajectorySegment routePortion The route portion used by the trajectory element. RoutePortion
RouteTrajectorySegment routeSegment The published route segment on which the trajectory segment is based. RouteSegment
RouteTrajectorySegment taxiInClearance The clearance giving the cleared taxi path. TaxiInClearance
RouteTrajectorySegment alternateAerodrome Alternate aerodrome applicable to this trajectory element. Aerodrome
RouteTrajectorySegment startPoint The starting point of the trajectory segment. RouteTrajectoryPoint
RouteTrajectorySegment endPoint The ending point of the route trajectory segment. RouteTrajectoryPoint
RouteTrajectorySegment specialRequirements Applicable special requirements to this trajectory element. This is an indicator that the flight is expected to be operating in accordance with regulations issued by the relevant State for aircraft operating as State aircraft, as per Article 3 of the Convention on International Civil Aviation (Doc 7300) and for aircraft operating in accordance with State regulations for non-standard flying activities, normally through the use of reserved airspace. CharacterString
RouteTrajectorySegment rateOfClimbDescent Average rate of climb and descent for the leg (ft per minute), derived from rateOfAltitudeChange of the two Waypoints delimiting the FlightSegment. Integer
RouteTrajectorySegment mainEnginesFuelBurn The amount of fuel burn of the main engines during the flight segment. Decimal
RouteTrajectorySegment type The type of TrajectorySegment. CodeRouteTrajectorySegmentType
RouteTrajectorySegment fuelBurnRate Average Fuel burn rate for the leg. Derived from the deltaFuelBurn for the WayPoints delimiting the FlightSegment. Number
RouteTrajectorySegment fuelBurn The fuelBurn for the FlightSegment, expressed in kg. Number
RouteTrajectorySegment flightRules The regulation, or combination of regulations, that governs all aspects of operations under which the pilot plans to fly that trajectory element. CodeFlightRulesType
RouteTrajectorySegment exceedLength A value used to indicate that only Direct Flight Segments (DCT) that exceed this value are concerned by a Flight Restriction. ValDistanceType
RouteTrajectorySegment estimatedElapsedTime The estimated time required to proceed from one significant point to another. TM_Duration
RouteTrajectorySegment duration Duration of the Trajectory Segment, derived from the eventTime and the eventEndTime. TM_Duration
RouteTrajectorySegment cruisingLevel The planned cruising level for the first or the whole portion of the route to be flown. Integer
RouteTrajectorySegment auxiliaryPowerUnitFuelBurn The amount of fuel burn of the auxiliary power unit usage during flight segment. Decimal
RouteTrajectorySegment assignedSpeed The True Airspeed for the first or the whole cruising portion of the flight. ValSpeedType
RouteTrajectorySegment - A portion of the flight route or trajectory. -
European Supplement RouteTrajectorySegment taxiOutClearance The clearance giving the cleared taxi path. TaxiOutClearance
European Supplement RouteTrajectorySegment mainEnginesGaseousEmission Gaseous emissions from the main engines when flying the trajectory segment. MatterEmission
European Supplement RouteTrajectorySegment indirectMatterEmission Indirect matter emissions from the main engines when flying the trajectory segment. MatterEmission
European Supplement RouteTrajectorySegment directMatterEmission Direct matter emissions from the main engines when flying the trajectory segment. MatterEmission
European Supplement RouteTrajectorySegment auxiliaryPowerUnitGaseousEmission Gaseous emissions from the auxiliary power unit when flying the trajectory segment. MatterEmission
European Supplement RouteTrajectorySegment particulateMatterEmission The emission of particles with an aerodynamic diameter of 10 micrometres or less. MatterEmission
European Supplement RouteTrajectorySegment flightPhase The phase of flight to which the trajectory segment corresponds. FlightPhase
European Supplement RouteTrajectorySegment - A portion of the flight route or trajectory. -
RouteTrajectoryPoint upstream The upstream ATC volume related to the trajectory point. Airspace
RouteTrajectoryPoint belongsTo The ATC volumes to which the point belongs to. Airspace
RouteTrajectoryPoint downstream The downstream ATC volume related to the trajectory point. Airspace
RouteTrajectoryPoint correspondingInfrastructurePoint The infrastructure point matched by the trajectory point. InfrastructurePoint
RouteTrajectoryPoint sourceSTAR The standard instrument arrival of which one of the constituting significant point is matched by the trajectory point. StandardInstrumentArrival
RouteTrajectoryPoint sourceSID The standard instrument departure of which one of the constituting significant point is matched by the trajectory point. StandardInstrumentDeparture
RouteTrajectoryPoint arrival The arrival operations which make use of the trajectory point. ArrivalOperations
RouteTrajectoryPoint aircraftState The state of the aircraft at the trajectory point. AircraftState
RouteTrajectoryPoint airspaceEntry Airspace entry that occurs at the trajectory point. AirspaceEntry
RouteTrajectoryPoint overPoint Over point event occuring at the trajectory point. OverPoint
RouteTrajectoryPoint referedOpenConstraint The reference to the open constraint closed through this trajectory point. ATMTrajectoryConstraint
RouteTrajectoryPoint lateralConstraint Type and bound of a lateral constraint. LateralConstraint
RouteTrajectoryPoint speedConstraint Type and bound of a speed constraint. SpeedConstraint
RouteTrajectoryPoint altitudeConstraint Type and bound of a vertical constraint. VerticalConstraint
RouteTrajectoryPoint timeConstraint Type and bound of a time constraint. TimeConstraint
RouteTrajectoryPoint stakeholder The stakeholder inserting the trajectory point. Unit
RouteTrajectoryPoint weatherCondition The weather condition at the trajectory point. WeatherCondition
RouteTrajectoryPoint inboundSegment The trajectory segment followed to reach the trajectory point. RouteTrajectorySegment
RouteTrajectoryPoint usage Characterizes a point of the trajectory CodeRouteTrajectoryPointUsageType
RouteTrajectoryPoint estimatedElapsedTimeFromReference Time elapsed since a point of reference. TM_Duration
RouteTrajectoryPoint distanceFromTakeOff Cumulative track distance from take-off to that trajectory point. ValDistanceType
RouteTrajectoryPoint cumulativeDistance Distance flown from a point of reference. ValDistanceType
RouteTrajectoryPoint accumulatedEstimatedElapsedTime The estimated time required from take-off to that trajectory point. TM_Duration
RouteTrajectoryPoint acceptanceStatus The status of acceptance of the trajectory point by the FDMP. CodeTrajectoryPointAcceptanceStatusType
RouteTrajectoryPoint - A significant point used in defining the flight path of an aircraft. -
European Supplement RouteTrajectoryPoint derivedFromDirectRoute Indicates a DirectRoute as source of the trajectory point. DirectRoute
European Supplement RouteTrajectoryPoint flightLevelChange A change of flight level that occurs at the trajectory point. FlightLevelChange
European Supplement RouteTrajectoryPoint flightRulesChange A change of flight rules that occurs at the trajectory point. FlightRulesChange
European Supplement RouteTrajectoryPoint flightTypeChange A change of flight type that occurs at the trajectory point. FlightTypeChange
European Supplement RouteTrajectoryPoint speedChange A change of speed that occurs at the trajectory point. SpeedChange
European Supplement RouteTrajectoryPoint trackDirectionChange A change of track direction that occurs at the trajectory point. TrackDirectionChange
European Supplement RouteTrajectoryPoint stay A period of 'special activity' when the aircraft will 'stay' in the area defined for the length of time given, i.e. training, mid-air re-fuelling, etc. FlightPhase
European Supplement RouteTrajectoryPoint offset Offset information that is applicable to the trajectory at that trajectory point. Offset
European Supplement RouteTrajectoryPoint - A significant point used in defining the flight path of an aircraft. -
RouteTrajectory route Route on which the trajectory is based. Route
RouteTrajectory flight The flight whose movement is described by the trajectory. Flight
RouteTrajectory trajectoryConstraint A trajectory constraint that restricts the planning and execution of the trajectory. ATMTrajectoryConstraint
RouteTrajectory trajectorySegment A trajectory segment being part of the trajectory. RouteTrajectorySegment
RouteTrajectory trajectoryPoint A trajectory point used for describing the trajectory. RouteTrajectoryPoint
RouteTrajectory type The type of trajectory. CodeRouteTrajectoryType
RouteTrajectory requestReference The reference of the clearance request for a 4D trajectory across an ATSU AoR. CharacterString
RouteTrajectory rejectReason The reason under which the Trajectory request is rejected. CharacterString
RouteTrajectory flightRules The category of flight rules with which the pilot intends to comply. CodeFiledFlightRulesType
RouteTrajectory dialogueStatus Status information for monitoring the progression of the dialogue. CodeTrajectoryDialogueStatusType
RouteTrajectory - The description of movement of an aircraft. -
European Supplement RouteTrajectory enRouteDelay A delay planned to occur while enroute. EnRouteDelay
European Supplement RouteTrajectory - The description of movement of an aircraft. -
RouteSegment airway A control area or portion thereof established in the form of a corridor. Airspace
RouteSegment startEnRouteSegmentPoint The start en-route segment point for the route segment. InfrastructurePoint
RouteSegment endEnRouteSegmentPoint The end en-route segment point for the route segment. InfrastructurePoint
RouteSegment routeFormed The route formed partly by the route segment. Route
RouteSegment availability The operational availability of the route segment. RouteAvailability
RouteSegment evaluationArea The obstacle evaluation area for the route segment. ObstacleAssessmentArea
RouteSegment widthRight The distance from the centreline of the route segment to the right edge, when considering the direction from the start point to the end point. ValDistanceType
RouteSegment widthLeft The distance from the centreline of the route segment to the left edge, when considering the direction from the start point to the end point. ValDistanceType
RouteSegment upperLimit The vertical position of the route segment ceiling. ValVerticalDistanceType
RouteSegment turnDirection The turn direction, if any, at the end of the segment in order to continue on to the next segment of the same route. CodeDirectionTurnType
RouteSegment trueTrack The initial true track. Angle
RouteSegment reverseTrueTrack The reverse initial true track. Angle
RouteSegment reverseMagneticTrack The reverse initial magnetic track. Angle
RouteSegment requiredNavigationPerformance The required navigation performance for the route portion expressed in NM. Decimal
RouteSegment pathType The type of segment path. CodeRouteSegmentPathType
RouteSegment navigationType Classification of the route portion for navigational purposes. CodeRouteNavigationType
RouteSegment minimumObstacleClearanceAltitude The minimum altitude for a defined segment of flight that provides the required obstacle clearance. ValVerticalDistanceType
RouteSegment minimumEnrouteAltitude The altitude for an en-route segment that provides adequate reception of relevant navigation facilities and ATS communications, complies with the airspace structure and provides the required obstacle clearance. ValVerticalDistanceType
RouteSegment minimumCrossingAtEnd The lowermost vertical position at the end point, when flying on the route portion in the direction indicated in the route portion usage. ValVerticalDistanceType
RouteSegment maximumCrossingAtEnd The uppermost vertical position at the end point, when flying on the route portion in the direction indicated in the route portion usage. ValVerticalDistanceType
RouteSegment magneticTrack The initial magnetic track. Angle
RouteSegment lowerLimit The vertical position of the route segment floor. ValVerticalDistanceType
RouteSegment level A code indicating if the route segment is in the upper airspace, the lower airspace or both. CodeLevelType
RouteSegment length The length of the path. ValDistanceType
RouteSegment hasSignalGap Indication of a signal gap in the segment. Boolean
RouteSegment designatorSuffix A suffix for the route designator defined in accordance with ICAO Annex 11. CodeRouteDesignatorSuffixType
RouteSegment - A route or portion of route usually flown without an intermediate stop. -
RoutePortion changeOverPoint The change over point that applies to the route portion. InfrastructurePoint
RoutePortion start The starting significant point for the route portion. InfrastructurePoint
RoutePortion intermediatePoint An intermediate significant point for the route portion. InfrastructurePoint
RoutePortion end The ending significant point for the route portion. InfrastructurePoint
RoutePortion referencedRoute The route referenced by the route portion. Route
RoutePortion flightPlanningAndATFMservice The flight planning and air traffic flow management service provided for the route portion. AirTrafficManagementService
RoutePortion distance The distance from the start of the route portion to the position where change over occurs. ValDistanceType
RoutePortion - A group of two or more consecutive segments of the same route, which have the usage and/or the same flight restrictions. -
European Supplement RouteOrProcedureChange assignedHoldingProcedure Holding procedure that the flight is requested to follow. HoldingProcedure
European Supplement RouteOrProcedureChange assignedProcedure Terminal procedure that the flight is requested to follow. Procedure
European Supplement RouteOrProcedureChange assignedRoute ATS route that the flight is requested to follow. Route
European Supplement RouteOrProcedureChange assignedOffset Offset from a reference route that the flight is requested to follow. Offset
European Supplement RouteOrProcedureChange isCdrChangeInstructed Indication whether a CDR change has been instructed to aircraft (voice or D/L). Boolean
European Supplement RouteOrProcedureChange - A change of reference ATS Route or procedure during the execution of the Flight, including lateral offset. -
RouteDME referencedDME The DME referenced on the route. DME
RouteDME applicableRoutePortion The route portion that the routeDME applies to. RoutePortion
RouteDME isSatisfactory Indication whether the critical DME passed satisfactory or unsatisfactory. Boolean
RouteDME isCriticalDME Indication whether the DME is critical for navigation on the route portion. Boolean
RouteDME - DME facilities that are used for a particular route for DME/DME navigation. -
RouteCondition route The route which is subject to observation or forecast. Route
RouteCondition - Weather observations and / or forecasts related to routes. -
RouteAvailability hostAirspace The Flight Information Region where the route opening/closure is located. Airspace
RouteAvailability level The airspace layer referenced by the route usage. AirspaceLayer
RouteAvailability status The availability status of the route, in the direction indicated by the direction and/or cardinalDirection. CodeRouteAvailabilityType
RouteAvailability direction The direction in which the route segment is considered when a specific usage is described. CodeDirectionType
RouteAvailability conditionalRouteType The category of the conditional route according to the Flexible Use of Airspace rules. CodeConditionalRouteType
RouteAvailability cardinalDirection The direction for which the usage is specified, expressed as compass angle. CodeCompassPointType
RouteAvailability - The operational availability of a route. -
European Supplement RouteAvailability causeOfLimitation Airspace whose reservation impacts the RouteAvailability Airspace
European Supplement RouteAvailability causeOfLimitation missing data Airspace
European Supplement RouteAvailability - The operational availability of a route. -
Route airspace The airspace which protects the route Airspace
Route userOrganisation The organisation that normally generates activity on the military training route. Organisation
Route routeSegment A route segment which forms a part of the route. RouteSegment
Route type The classification of the route. CodeRouteType
Route name The name by which the route is known. CharacterString
Route multipleIdentifier A suffix for the route designator, indicating alternates for homonymous routes. CodeUpperAlphaType
Route militaryUse Indication whether the route is for exclusive use by military aircraft. CodeMilitaryStatusType
Route militaryTrainingType The type of military training activity for which the route has been designed. CodeMilitaryTrainingType
Route locationDesignator A description of the area in which the designated route is situated. CharacterString
Route internationalUse yA code indicating if the route segment is international or domestic. CodeRouteOriginType
Route flightRule Indication of the flight rules to be observed by aircraft. CodeFlightRulesType
Route designatorSecondLetter The letter of the route designator, which may have special significance with regard to the route usage limitations, depending on the region. CodeRouteDesignatorLetterType
Route designatorPrefix A prefix for the route designator, indicating whether the route is upper ATS, reserved for helicopters or reserved for supersonic flights. CodeRouteDesignatorPrefixType
Route designatorNumber The number of the route designator. Integer
Route - A specified route designed for channeling the flow of traffic as necessary for the provision of air traffic service (ATS) from the end of the take-off and initial climb phase to the commencement of the approach and landing phase. -
European Supplement Route routeElement A direct route which forms part of the overall route. DirectRoute
European Supplement Route amanAdvisory The AMAN advisory to use the route. ArrivalManagementAdvisory
European Supplement Route - A specified route designed for channeling the flow of traffic as necessary for the provision of air traffic service (ATS) from the end of the take-off and initial climb phase to the commencement of the approach and landing phase. -
Road associatedAerodrome The aerodrome the road is associated with. Aerodrome
Road accessibleStand Aircraft stand that is accessed via the road. AircraftStand
Road surfaceProperties Surface characteristics of the road. SurfaceCharacteristics
Road type Type of road at an aerodrome. CodeRoadType
Road status An indicator of the operational status of a service road. CodeStatusOperationsType
Road isAbandoned An indicator that a road is no longer in operational use, but it is still physically present and visible, although usually in a degraded state. Boolean
Road designator The designator or name of the service road. CharacterString
Road - An established surface route on the movement area meant for the exclusive use of vehicles. -
Ridge side The side of the runway where the ridge of deposited material is located. CodeRelativePositionType
Ridge distance Distance of the ridge of deposited material from the edge of the movement area. ValDistanceType
Ridge depth Height of the ridges of deposited material. ValDistanceType
Ridge - Ridges of deposited material to the left or right of the runway, relative to the runway direction with the lowest designation number. -
European Supplement RevisionTimes protectedSequence The departure sequence being protected as the revision times are constraining short-term changes to a flight. DepartureSequence
European Supplement RevisionTimes timeToRemoveFromSequence Time to remove aircraft in sequence TM_Duration
European Supplement RevisionTimes timeToInsertInSequence Time to insert aircraft in sequence TM_Duration
European Supplement RevisionTimes - Times to insert aircraft in sequence and remove aircraft from sequence. -
European Supplement Release releaseRequestReference The reference to the release request. CharacterString
European Supplement Release releasedForActions The action(s) for which the flight is released from agreed transfer conditions. CodeReleaseIndicationType
European Supplement Release isAccepted Indication whether the release has been accepted by the transferring system instance. Boolean
European Supplement Release - The release of a flight from the agreed transfer conditions after initial co-ordination has taken place. -
European Supplement RegulationRate pendingRate Number of remaining free slots per hour after the slot allocation process is calculated used for later filers or during the slot improvement process. Integer
European Supplement RegulationRate normalRate Number of slots per hour to be allocated during the slot allocation process. In Microwave Landing System (MLS) operations, this rate corresponds to the slots available for non-MLS equipped aircrafts. Integer
European Supplement RegulationRate equipmentRate Number of slots available for Microwave Landing System (MLS) equipped aircrafts per hour. Integer
European Supplement RegulationRate - The coordinated number of flights that can be accommodated in a certain time period. -
Reflector type The type of reflector. CodeReflectorType
Reflector - A reflector used with a precision approach radar. -
European Supplement ReferenceLocation levelRange Range of level further constraining the referenced point or airspace. AirspaceLayer
European Supplement ReferenceLocation significantPoint The significant point used as reference location. SignificantPoint
European Supplement ReferenceLocation airspace The airspace used as reference location. Airspace
European Supplement ReferenceLocation aerodromeSet The set of aerodromes used as reference location. AerodromeSet
European Supplement ReferenceLocation associatedFlow A flow associated to the reference location. Flow
European Supplement ReferenceLocation aerodrome The aerodrome used as reference location. Aerodrome
European Supplement ReferenceLocation type Type of the reference location. CodeReferenceLocationType
European Supplement ReferenceLocation designator Reference location designator as defined by the Network Manager. CharacterString
European Supplement ReferenceLocation aerodromeTrafficType The type of air traffic to be considered in case of aerodrome or aerodrome set. CodeAerodromeTrafficType
European Supplement ReferenceLocation - A code used in the Network Manager (NM) Air Traffic Flow and Capacity Management (ATFCM) systems to describe one or more aerodromes, an Air Traffic Control (ATC) waypoint or an entire ATC sector. -
European Supplement ReclearanceInFlight alternativeRoute The route details to the revised destination aerodrome for a procedure of reclearance in flight. SignificantPoint
European Supplement ReclearanceInFlight filedRevisedDestinationAerodrome The revised destination aerodrome for a procedure of re-clearance in flight. Aerodrome
European Supplement ReclearanceInFlight oceanicReclearanceReason The reason of the re-clearance. CodeOceanicReclearanceReasonType
European Supplement ReclearanceInFlight - A contingency procedure taken in case of unexpected fuel burns according to which the crew can decide, at a certain point of the flight route, whether they will normally follow the filed route or they will land at an alternative aerodrome by following an alternative route. -
European Supplement RateOfClimbOrDescentChange assignedRateOfDescend Descend rate that the flight is requested to respect. ValSpeedWithBoundaryType
European Supplement RateOfClimbOrDescentChange assignedRateOfClimb Climb rate that the flight is requested to respect. ValSpeedWithBoundaryType
European Supplement RateOfClimbOrDescentChange - A change of rate of climb or descend during the execution of the Flight. -
Ranked4DTrajectories desired4DTrajectory One of the desired trajectory that is part of the ranked listing of preferred trajectories. RouteTrajectory
Ranked4DTrajectories - A series of desired 4D trajectories, with tolerances supplied if necessary by the airspace user to define when the next ranked trajectory should be used. -
RadioNavigationService servedAerodrome The aerodrome served by the radio navigation service. Aerodrome
RadioNavigationService runwayDirection The runway direction served by the radio navigation service. RunwayDirection
RadioNavigationService touchDownLiftOff Particular landing area at which the radio navigation service is installed. TouchDownLiftOff
RadioNavigationService radioNavaidEquipment The component of the radio navigation service. RadioNavigationAid
RadioNavigationService availability The operational status of the radio navigation service. NavaidOperationalStatus
RadioNavigationService authority The authority repsonsible for the service. Organisation
RadioNavigationService type The type of the radio navigation service. CodeNavaidServiceType
RadioNavigationService purpose Indication of the intended usage of the radio navigation service. CodeNavaidPurposeType
RadioNavigationService name The long name given to the composite radio navigation service. CharacterString
RadioNavigationService isFlightChecked Indication whether the radio navigation service has been flight checked. Boolean
RadioNavigationService designator The coded identifier given to the radio navigation service. CharacterString
RadioNavigationService - A service providing guidance information or position data for the efficient and safe operation of aircraft supported by one or more radio navigation aids. -
RadioNavigationAid supportedAirspace The airspace through which the Radio Navigation Aid supports navigation. Airspace
RadioNavigationAid referenceRunwayCentreLinePoint The RunwayCentrelinePoint from which the relative distance of the NavaidEquipment is computed InfrastructurePoint
RadioNavigationAid referenceRunwayCentreLinePoint missing data InfrastructurePoint
RadioNavigationAid authority The organisation responsible for the equipment. Organisation
RadioNavigationAid navaid The Navaid composed of the NavaidEquipment RadioNavigationService
RadioNavigationAid monitoring Radio navigation aid monitoring information. NavaidEquipmentMonitoring
RadioNavigationAid availability The operational status of the radio navigation aid. NavaidOperationalStatus
RadioNavigationAid name The long name given to the radio navigation aid. CharacterString
RadioNavigationAid magneticVariationAccuracy The accuracy of the magnetic variation. Angle
RadioNavigationAid magneticVariation The measured angle between Magnetic North and True North at the VOR, at the time the magnetic variation was measured. Angle
RadioNavigationAid isMobile Indication whether the radio navigation aid is mobile. Boolean
RadioNavigationAid isFlightChecked Indication whether the radio navigation aid has been flight checked. Boolean
RadioNavigationAid emissionClass A code indicating the type of emission, as defined at the 1979 ITU World Administrative Radio Conference. CodeRadioEmissionType
RadioNavigationAid designator The identifying code given to the radio navigation aid. CharacterString
RadioNavigationAid dateMagneticVariation The year the magnetic variation was measured. Date
RadioNavigationAid - Any electronic system which provides information to be used by the pilot or aircraft navigation systems for position determination or flight path guidance. -
RadioFrequencyArea sector A non graphical definition describing a portion of a circle associated with the radio frequency area. CircleSector
RadioFrequencyArea par The precision approach radar affected by the signal limitation. PrecisionApproachRadar
RadioFrequencyArea specialNavigationStation A land based station of a special navigation system. SpecialNavigationStation
RadioFrequencyArea ssr The secondary surveillance radar affected by the signal limitation. SecondarySurveillanceRadar
RadioFrequencyArea radioNavaidEquipment The component of a system used for air navigation. RadioNavigationAid
RadioFrequencyArea frequency A frequency in the range within which radio waves may be transmitted. RadioCommunicationChannel
RadioFrequencyArea type A code indicating the type of radio navigation aid limitation. CodeRadioFrequencyAreaType
RadioFrequencyArea signalType The type of signal that is affected by the usage limitation. CodeRadioSignalType
RadioFrequencyArea angleScallop The value of the scalloping angle, which may affect the radial reading of a VOR or TACAN in plus or minus. Angle
RadioFrequencyArea - A limitation, such as coverage, usability, etc., of a radio navigation aid or service frequency. -
RadioCommunicationOperationalStatus operationalStatus The operational capability of the radio communication channel. CodeStatusServiceType
RadioCommunicationOperationalStatus - Information about the operational status of the radio communication channel. -
RadioCommunicationChannel service The service provided on the radio frequency Service
RadioCommunicationChannel availability The operational status of the radio communication channel. RadioCommunicationOperationalStatus
RadioCommunicationChannel trafficDirection Indication of the eventual directionality of the communication channel. CodeCommunicationDirectionType
RadioCommunicationChannel rank A code indicating the role of the communication channel. CodeFacilityRankingType
RadioCommunicationChannel mode The type of communication channel. CodeCommunicationModeType
RadioCommunicationChannel logon A specified code used for data link, for instance for logon to an ATS unit. CharacterString
RadioCommunicationChannel isSelectiveCall A code indicating whether a frequency treats selective call"." Boolean
RadioCommunicationChannel isFlightChecked Indication whether the communication channel has been flight checked. Boolean
RadioCommunicationChannel frequencyReception The value of the reception frequency. ValFrequencyType
RadioCommunicationChannel frequencyTransmission The value of the transmission frequency. ValFrequencyType
RadioCommunicationChannel emissionType A code indicating the type of emission, as defined at the 1979 ITU World Administrative Radio Conference. CodeRadioEmissionType
RadioCommunicationChannel - A radio frequency band of sufficient width and associated identification data used for one- or two-way communication from or to a transmitter on the ground or in the air. -
RadarSystem aerodrome The aerodrome on which the equipment is located. Aerodrome
RadarSystem servedRunway Runway served by the radar system. Runway
RadarSystem radarEquipment The equipment that make up the component(s) of the radar system. RadarEquipment
RadarSystem office The office responsible for the equipment. Organisation
RadarSystem type The type of service for the radar system. CodeRadarServiceType
RadarSystem model The model of the equipment. CharacterString
RadarSystem isGeneralTerrainMonitor Indication whether aircraft clearance above the highest terrain and obstacles in a general area is monitored. Boolean
RadarSystem broadcastIdentifier The identifier broadcasted for a secondary radar. CharacterString
RadarSystem - One or more radar equipments providing radar services. -
RadarEquipment radarSystem RadarSystem composed of the RadarEquipment RadarSystem
RadarEquipment contact The contact information of the group or individual associated with the radar equipment. ContactInformation
RadarEquipment standbyPower A description of how the component is powered if the primary power fails. CodeStandbyPowerType
RadarEquipment serialNumber Serial number of the equipment. CharacterString
RadarEquipment rangeAccuracy Accuracy of the applicable range of the equipment to detect aircraft. ValDistanceType
RadarEquipment range The applicable range of the equipment to detect aircraft. ValDistanceType
RadarEquipment name The name of the equipment. CharacterString
RadarEquipment magneticVariationAccuracy Accuracy of the magnetic variation. Angle
RadarEquipment magneticVariation The angular difference between True North and Magnetic North measured at a given position and date. Angle
RadarEquipment isMovingTargetIndicatorAvailable Indication whether a Moving Target Indicator (MTI) is available for the component. Boolean
RadarEquipment isForSpecialUseOnly Indication whether the equipment is for special use procedures only. Boolean
RadarEquipment isForSpecialAircraftOnly Indication whether the equipment is to be only used for certain type of aircraft that are capable of using it. Boolean
RadarEquipment isForMilitaryUseOnly Indication whether the equipment is for military use only. Boolean
RadarEquipment isDualChannel Indication whether the radar equipment has dual frequency. Boolean
RadarEquipment isDigital Indication whether the radar equipment is digital. Boolean
RadarEquipment dateMagneticVariation The date at which the magnetic variation had this value. Date
RadarEquipment - A physical radar equipment. -
RadarComponent collocationGroup A number identifying the collocation group to which the radar equipment aid belongs. Integer
RadarComponent - The use of a radar equipment as a component of the radar service provided by a radar system. -
Qualification aircraftEquipment AircraftEquipment for which the air crew is qualified. AircraftEquipment
Qualification qualificationType The type of qualification. CodeFlightCrewQualificationType
Qualification isQualified Indication whether the air crew has this qualification. Boolean
Qualification - A particular equipment or procedure qualification. -
ProcedureTransition transitionLeg One segment of a transition. SegmentLeg
ProcedureTransition departureRunwayDirection Runway direction that may be referenced from the departure. RunwayDirection
ProcedureTransition departureTouchDownLiftOff Touchdown and lift-off area that may be referenced from the departure. TouchDownLiftOff
ProcedureTransition vectorHeading A heading provided for use, when a departure is designed to incorporate radar vectors at the termination point, in the event ATC instructions are not received prior to or at the termination fix. Angle
ProcedureTransition type The type of procedure transition. CodeProcedurePhaseType
ProcedureTransition instruction Operational instructions that must be observed when flying the procedure transition part. CharacterString
ProcedureTransition - A group of consecutive segments that are part of a branch on an approach procedure, SID or STAR. -
European Supplement ProcedureTransition amanAdvisory The AMAN advisory to use the transition. ArrivalManagementAdvisory
European Supplement ProcedureTransition - A group of consecutive segments that are part of a branch on an approach procedure, SID or STAR. -
ProcedureDME dme The distance measuring equipment passing DME/DME evaluation criteria. DME
ProcedureDME segmentLeg Segment leg used for evaluating the DME. SegmentLeg
ProcedureDME isSatisfactory Indication whether the critical DME passed the DME/DME evaluation criteria. Boolean
ProcedureDME isCriticalDME Indication whether the DME is critical for navigation on a procedure segment. Boolean
ProcedureDME - DME facilities that are used for a particular segment for DME/DME navigation. -
ProcedureAvailability status Indication of the status of the procedure for flight planning/operations. CodeProcedureAvailabilityType
ProcedureAvailability - The status of the procedure for flight planning/operations. -
Procedure aircraftCategoryLimit Aircraft category limit applicable to the procedure. AircraftCategory
Procedure aircraftEquipmentLimit Aircraft equipment limit applicable to the procedure. AircraftEquipment
Procedure safeAltitude A series of minimum altitudes in the area where the procedure is executed. SafeAltitudeArea
Procedure aerodrome Aerodrome served by the procedure Aerodrome
Procedure servedTouchDownLiftOff Thetouch downl lift off served by this procedure. TouchDownLiftOff
Procedure specialNavigationSystem The navigation system on which the procedure is based. SpecialNavigationSystem
Procedure servedRunwayDirection The runway direction served by this procedure. RunwayDirection
Procedure radar The radar system on which a procedure is based. RadarSystem
Procedure radioNavigationService The radio navigation service on which the procedure is based. RadioNavigationService
Procedure flightTransition A procedure transition belonging to the procedure. ProcedureTransition
Procedure availability The operational availability of the procedure. ProcedureAvailability
Procedure informationService The service which provides information for the procedure. InformationService
Procedure name The name of the instrument procedure. CharacterString
Procedure isRNAV Indication whether the procedure is an RNAV procedure. Boolean
Procedure isFlightChecked Indication whether the procedure has been flight checked. Boolean
Procedure instruction Operational instructions, other than communication failure instructions, which must be respected when flying the procedure. CharacterString
Procedure codingStandard The set of rules followed when encoding the procedure legs. CodeProcedureCodingStandardType
Procedure designCriteria Rules used in the design of the procedure. CodeDesignStandardType
Procedure communicationFailureInstruction Operational instructions which must be observed in case of communication failure. CharacterString
Procedure - A series of predetermined manoeuvres with specified protection from obstacles. -
European Supplement Procedure amanAdvisory The AMAN advisory to use the procedure. ArrivalManagementAdvisory
European Supplement Procedure - A series of predetermined manoeuvres with specified protection from obstacles. -
PrimarySurveillanceRadar type Defines the type of Primary Surveillance Radar (i.e. ASR or ARSR). CodePrimaryRadarType
PrimarySurveillanceRadar - A surveillance radar system which uses reflected radio signals. -
European Supplement PreDepartureSequence sequencedStartUp The aircraft start-up event organized by the sequence. StartUpClearance
European Supplement PreDepartureSequence - An ordered set of planned startup approval events used in departure management. -
PrecisionApproachRadar reflector The reflector used with a PAR. Reflector
PrecisionApproachRadar slopeAccuracy The accuracy of the glideslope angle at which the PAR provides landing assistance. Angle
PrecisionApproachRadar slope The glideslope angle at which the PAR provides landing assistance. Angle
PrecisionApproachRadar precisionApproachRadarType The type of precision approach radar. CodePARType
PrecisionApproachRadar - Primary radar equipment used to determine the position of an aircraft during final approach, in terms of lateral and vertical deviations relative to a nominal approach path, and in range relative to touchdown. -
Precipitation type Description of the precipitation characteristics using a classification. CodePrecipitationType
Precipitation amount Total amount of precipitation measured over a defined period, expressed in mm/hours. Integer
Precipitation - Hydrometeor consisting of a fall of an ensemble of particles. The forms of precipitation are: rain, drizzle, snow, snow grains, snow pellets, diamond dust, hail and ice pellets. -
PostalAddress postalCode The ZIP or other postal code portion of the physical address for an organisation or individual. CharacterString
PostalAddress deliveryPoint The street address portion of the physical address for an organisation or individual. CharacterString
PostalAddress country The country name portion of the physical address for an organisation or individual. CharacterString
PostalAddress city The city portion of the physical address for an organisation or individual. CharacterString
PostalAddress administrativeArea The state or province of an organisation's or individual's physical address. CharacterString
PostalAddress - Physical address at which the organization or individual may be contacted. -
PointReference facilityAngle missing data AngleIndication
PointReference facilityDistance Distance from the facility to the significant point. DistanceIndication
PointReference significantPoint A significant point defined by a latitude and longitude and/or a combination of angle and/or distance indications. SignificantPoint
PointReference role The role of the defined point reference. CodeReferenceRoleType
PointReference postFixTolerance The error distance from the fix to the latest point where the fix may be received along the flight course. ValDistanceType
PointReference priorFixTolerance The error distance from the fix to the earliest point where the fix may be received along the flight course. ValDistanceType
PointReference fixToleranceArea The area determined by the system use accuracy of the navigation aid(s) on which the fix is based, and the distance from the facility. TwoDimensionalSurfaceType
PointReference - The location of a significant point defined using a combination of angles and distances based on the navaid system, radar system or special navigation system. -
PilotInCommand - The pilot designated by the operator, or in the case of general aviation, the owner, as being in command and charged with the safe conduct of a flight. -
PilotControlledLighting activatedGroundLighting The lighting system on the ground that may be remotely activated by the pilot. GroundLightSystem
PilotControlledLighting controlledLightIntensity The characteristics of the lighting system. LightActivation
PilotControlledLighting type Type of pilot controlled lighting service. CodePilotControlledLightingType
PilotControlledLighting standByIntensity The intensity step/level of the lighting system when not in use. CodeIntensityStandByType
PilotControlledLighting radioFrequency The radio frequency to be used by the pilot for the activation of the system. ValFrequencyType
PilotControlledLighting intensitySteps The number of intensity steps/levels for a particular type of lighting system. Integer
PilotControlledLighting duration The duration the lighting is illuminated. TM_Duration
PilotControlledLighting activationInstruction Operational instructions for controlling the lighting systems. CharacterString
PilotControlledLighting - An indication that radio control of lighting is available to provide airborne control of lights by keying the aircraft's microphone. -
Pier width The overall measured width available for the pier. ValDistanceType
Pier material A code used to identify the material(s) used in the construction of the structure. CodeVerticalStructureMaterialType
Pier length The overall measured length available for the pier. ValDistanceType
Pier - A platform extending from a shore over water and supported by piles or pillars, used to secure, protect, and provide access to ships, boats, and seaplanes. -
European Supplement PhaseFuelEfficiency airspace Relates Airspace with PhaseFuelEfficiency for allocation of fuel efficiency related aspects for airspace. Airspace
European Supplement PhaseFuelEfficiency timeframe The timeframe used in establishing the phase fuel efficiency. TM_Duration
European Supplement PhaseFuelEfficiency phase The phase of flight. CodeFlightPhaseType
European Supplement PhaseFuelEfficiency numberOfMovements The number of movements in this phase within a specific timeframe. Integer
European Supplement PhaseFuelEfficiency fuelEfficiency The fuel efficiency calculated based on baseline and current average fuel burn for phase. Expressed in percent. Decimal
European Supplement PhaseFuelEfficiency baselineAverageFuelBurn The baseline average fuel burn for the phase within the time frame. ValMassType
European Supplement PhaseFuelEfficiency averageFuelBurn The average fuel burn per flight for the phase within a specific timeframe. Is derived from the number of movements and amount of fuel burn for the phase within the specific time frame. ValMassType
European Supplement PhaseFuelEfficiency amountOfFuelBurn Amount of fuel burn in phase within specific timeframe. ValMassType
European Supplement PhaseFuelEfficiency - Information needed for assessment of the KPIs for fuel efficiency. This is information about number of movements and amount of fuel burn for the phase within a specific timeframe for a specific kind if airspace (LandingTake-Off, TerminalControlArea, En-Route). Derived from the number of movements and amount of fuel burn, the average fuel burn for each flight in the phase for the airspace kind is derived. The amount of fuel burn is derived from the fuel burn in related PhaseOfFlight. -
PassengerService type A code indicating the type of passenger facility/service available. CodePassengerServiceType
PassengerService - The availability of passenger amenities and facilities at or in the vicinity of an aerodrome. -
PassengerLoadingBridge associatedStand The aircraft stand associated with the passenger loading bridge. AircraftStand
PassengerLoadingBridge type Type of bridge used by passengers and crew to board and deplane an aircraft. CodeLoadingBridgeType
PassengerLoadingBridge name A name for the passenger boarding bridge. CharacterString
PassengerLoadingBridge - A mechanically operated, adjustable ramp to provide direct passenger access between aircraft and buildings. -
European Supplement PartialDelayApportionment partialTimeToLoseOrGain The elementary delay to be absorbed by a given ATSU traversed by the flight. TM_Duration
European Supplement PartialDelayApportionment - The objective of delay absorption that the AMAN or EMAN sets to a given ATSU. -
European Supplement ParkingConfiguration parkingPosition The aircraft stand at which an aircraft is parked or is planned to be parked. AircraftStand
European Supplement ParkingConfiguration standSystemConfiguration An aircraft stand configuration used in the parking configuration. AircraftStandConfiguration
European Supplement ParkingConfiguration designator A name identifying a Parking Configuration. CharacterString
European Supplement ParkingConfiguration - Grouping of non-overlapping aircraft parking positions: a single ParkingConfiguration defines a way to divide the stand's area into one or more non-overlapping parking positions. -
OxygenSupply type The type of oxygen supplies for aviation usage. CodeOxygenSupplyType
OxygenSupply - The type(s) of oxygen supplies available for aviation usage. -
OverPoint infrastructurePoint The infrastructure point which is overflown. InfrastructurePoint
OverPoint routeTrajectoryPoint The point of the flight route or trajectory which can match the associated infrastructure point, thus triggering the OverPoint event. RouteTrajectoryPoint
OverPoint time The time at which the fly over point event occurs. DateTimeWithPlanningType
OverPoint hasOverflightHappened Indicates whether the significant point has been actually overflown. Boolean
OverPoint delay The delay at the point. DurationWithPlanningType
OverPoint assignedSpeed Speed that the flight is requested to respect when flying over the point. ValSpeedWithBoundaryType
OverPoint assignedFlightLevel Altitude that the flight is requested to respect when flying over the point. ValAltitudeWithBoundaryType
OverPoint - The event of flying over a significant point. -
European Supplement OverArrivalPoint horizonPoint The point of the arrival management horizon used by the flight. This applies in particular where the horizon is defined by airspace boundaries. InfrastructurePoint
European Supplement OverArrivalPoint holdingExitPoint Published holding fix overflown to exit stack and begin approach. InfrastructurePoint
European Supplement OverArrivalPoint landingThresholdPoint The LTP is a point over which the glide path passes at a relative height specified by the reference datum height. It is defined by the WGS-84 latitude, longitude and ellipsoid height. The LTP is normally located at the intersection of the runway centreline and threshold. InfrastructurePoint
European Supplement OverArrivalPoint initialApproachFix A fix that marks the beginning of the initial segment and the end of the arrival segment, if applicable. In RNAV applications this fix is normally defined by a fly-by waypoint. InfrastructurePoint
European Supplement OverArrivalPoint finalApproachFix That fix or point of an instrument approach procedure where the final approach segment commences. InfrastructurePoint
European Supplement OverArrivalPoint initialMeteringFix A point on a route at which flights can be pre-sequenced for an arrival-managed airport. InfrastructurePoint
European Supplement OverArrivalPoint meteringFix A reference point over which traffic is metered, i.e measured and/or spaced in time. InfrastructurePoint
European Supplement OverArrivalPoint arrivalManagementHorizon The arrival management horizon in effect for this flight. This applies in particular when the horizon is defined in terms of time of flight, so that the point in question is defined implicitly. ArrivalManagementHorizon
European Supplement OverArrivalPoint cta The CTA constraint associated with the over arrival point event. ControlledTimeOver
European Supplement OverArrivalPoint - The event of flying over a significant point associated with the aerodrome of arrival. -
OrganisationAssociation type The kind of association between two organisations. CodeOrganisationHierarchyType
OrganisationAssociation - A type of hierarchical or associative relationship between two organisations showing ownership, supervision or membership. -
Organisation authorityType The type of authority that the organisation has for an airspace AuthorityForAirspace
Organisation militaryTrainingRoute A military training route used by the organisation. Route
Organisation aerodrome The aerodrome over which the organisation has authority. Aerodrome
Organisation radioNavaidEquipment NavaidEquipment which is under the responsibility of the OrganisationAuthority RadioNavigationAid
Organisation station The SpecialNavigationStation which is under the responsibility of the OrganisationAuthority SpecialNavigationStation
Organisation navigationSystem SpecialNavigationSystem which is under the responsibility of the OrganisationAuthority SpecialNavigationSystem
Organisation navigationService Radio navigation service provided by the organisation. RadioNavigationService
Organisation managedRadar RadarSystem which is managed by the OrganisationAuthority RadarSystem
Organisation dateReference A special date which applies in the organisation. SpecialDate
Organisation contact Contact details for the organisation. ContactInformation
Organisation supervisingUnit The Unit in charge of the supervision of the OrganisationAuthority Unit
Organisation relatedOrganisation The related organisation, authority or agency. Organisation
Organisation type An indicator of the nature of an authority in terms of its status or business role in air traffic management. CodeOrganisationType
Organisation nationalityMark A nationality symbol included in the radio call signs allocated to the State of Registry by the International Telecommunication Union. CharacterString
Organisation name The full official name of the organisation. CharacterString
Organisation military An indicator of the type of operations under the authority of the organisation. CodeMilitaryOperationsType
Organisation designator A distinguishing label, term, abbreviation or acronym used to identify an organisation, authority, agency or unit. CharacterString
Organisation commonMark A mark assigned by the International Civil Aviation Organization to the common mark registering authority registering aircraft of an international operating agency on other than a national basis. CharacterString
Organisation - A collection of people organized together into a community or other social, commercial or political structure. The group has some common purpose or reason for existence which goes beyond the set of people belonging to it, and can act as an agent. -
OperatorConfiguration colourAndMarking The colour and markings of the operator. AircraftColourAndMarking
OperatorConfiguration configurationOwner The operator which selected the configuration. AircraftOperator
OperatorConfiguration numberOfSeats The number of seats installed on the aircraft. Integer
OperatorConfiguration - Aircraft configuration established by an aircraft operator for its fleet. -
European Supplement OperatorConfiguration constraint A constraint on the operator's configuration caused by the manufacturer's configuration. ManufacturerConfiguration
European Supplement OperatorConfiguration - Aircraft configuration established by an aircraft operator for its fleet. -
OnlineContact protocol The connection protocol to be used for accessing an contact's online resource. CharacterString
OnlineContact network The official name of the telecommunication network on which a contact's online resource is located. CodeTelecomNetworkType
OnlineContact linkage A contact's location (address) for on-line access using a Uniform Resource Locator address or similar addressing scheme. CharacterString
OnlineContact eMail The address of the electronic mailbox of the responsible organisation or individual. CharacterString
OnlineContact - On-line or Network information that can be used to contact the individual or organisation, including eMail address and web site page. -
Oil category A code indicating a category of oil used in aircraft. CodeOilType
Oil - The type(s) of lubricating oil available for aircraft at an aerodrome. -
European Supplement Offset referenceRoute The route from which the offset is established. Route
European Supplement Offset side The side of the original route to which the aircraft is instructed to fly offset. CodeRelativePositionType
European Supplement Offset distance The distance for the offset. ValDistanceType
European Supplement Offset - Linear displacement established parallel to a designated ATS route at a given distance and in a given direction from the centre line relative to the direction of flight. -
OffBlockReady tobtUpdateCount The number of updates of TOBT after TSAT has been issued. Integer
OffBlockReady time Time at which the aircraft is ready for Off-Block. DateTimeWithPlanningType
OffBlockReady - Event at which all doors of an aircraft are closed and departure will be possible immediately after reception of the ATC clearance. -
OffBlock departure Operations for which the aircraft departs from its parking position. DepartureOperations
OffBlock time Time at which the aircraft departs from its parking position. DateTimeWithPlanningType
OffBlock - The departure of the aircraft from its parking position. -
European Supplement OceanicRestriction earlierFlight The flight for which a time interval has to be respected. Flight
European Supplement OceanicRestriction notLater a point on which a time restriction is put (Not Later Than time). RouteTrajectoryPoint
European Supplement OceanicRestriction notBefore a point on which a time restriction is put (Not Before Than time). RouteTrajectoryPoint
European Supplement OceanicRestriction timeIntervalRestriction Time interval constraint to respect, with respect to an earlier flight. TM_Duration
European Supplement OceanicRestriction - The restriction data received from the pilot by an Oceanic Control Center about some clearance previously given to the pilot. -
European Supplement OceanicClearance oceanicAreaEntry The entry in the oceanic area. AirspaceEntry
European Supplement OceanicClearance oceanicTrack Oceanic track associated with an oceanic clearance. Route
European Supplement OceanicClearance oceanicReclearance The oceanic reclearance. ReclearanceInFlight
European Supplement OceanicClearance restriction The restriction data received from the pilot by an OCATS about some clearance previously given to the pilot. OceanicRestriction
European Supplement OceanicClearance coordinationPoint the cleared entry point in the Oceanic area. RouteTrajectoryPoint
European Supplement OceanicClearance speed The cleared entry cruising speed of the aircraft in the Oceanic area. ValSpeedType
European Supplement OceanicClearance flightLevel The entry flight level of the aircraft in the oceanic area. Integer
European Supplement OceanicClearance clearanceStatus The status of the clearance. CodeOceanicClearanceStatusType
European Supplement OceanicClearance - The information associated with an oceanic clearance. -
European Supplement OccupancyTrafficMonitoringValue monitoredTFV The traffic volume for which the occupancy traffic monitoring value is defined. TrafficVolume
European Supplement OccupancyTrafficMonitoringValue sustainedThreshold Acceptable number of flights that could be handled by a sector under specific circumstance, in particular if the duration of the overload is not too long. Integer
European Supplement OccupancyTrafficMonitoringValue peakThreshold Maximum number of flight that could be handled by a sector. Integer
European Supplement OccupancyTrafficMonitoringValue overloadDuration Maximum duration beyond which a potential hotspot should be considered in case the occupancy count exceeds the sustain threshold. TM_Duration
European Supplement OccupancyTrafficMonitoringValue elapsed Duration of the time window on which the crossing occurrences are counted. TM_Duration
European Supplement OccupancyTrafficMonitoringValue crossingOccurrences Number of crossing occurrences of the sustained threshold within elapsed, before the Occupancy Traffic Monitoring Value (OTMV) triggers an alert. Integer
European Supplement OccupancyTrafficMonitoringValue - A set of values (peak, sustain, overload duration, duration of counting) dedicated to monitor the instantaneous density of aircraft in a sector, as represented in occupancy counts. -
Obstruction adjustment Operational factors applied to obstacle clearance altitudes to produce the safest usable altitude. AltitudeAdjustment
Obstruction obstaclePlacement Location of obstacle in relation to a given point. ObstaclePlacement
Obstruction verticalStructureObstruction Vertical assessment controlling obstacle. VerticalStructure
Obstruction slopePenetration A value calculated by dividing 102.0 (a constant) with the angle of the glidepath. Angle
Obstruction requiredClearance Required altitude adjustment above any obstacle or terrain within a defined safety buffer region. ValDistanceType
Obstruction minimumAltitude The value of the minimum obstacle clearance altitude. ValVerticalDistanceType
Obstruction isControlling Indication whether it is a controlling obstruction for the associated obstacle assessment area. Boolean
Obstruction isCloseIn Indication whether the obstruction penetrates the 40:1 OCS, therefore requiring a climb gradient to 200 feet or less above the departure end of runway. Boolean
Obstruction isAssessmentSurfacePenetrated A code indicating whether the controlling obstacle penetrates the assessment surfaces. Boolean
Obstruction - The highest airspace, obstacle or terrain relative to a prescribed plane within a specified area. -
ObstaclePlacement pointType The type of point referenced when determining the bearing and distance to the obstruction. CharacterString
ObstaclePlacement obstaclePlacement The obstacle position relative to the centreline. CodeRelativePositionType
ObstaclePlacement obstacleDistance The distance from a given point to the obstruction. ValDistanceType
ObstaclePlacement obstacleBearing The bearing from a given point to the obstruction. Angle
ObstaclePlacement - Provides the location relative to a given point. -
ObstacleAssessmentArea aircraftCategory Aircraft category for which the obstacle assessment area is evaluated. AircraftCategory
ObstacleAssessmentArea significantObstacle The obstacle that controls the altitude definition of the assessment area would penetrate the 40:1 OCS. Obstruction
ObstacleAssessmentArea type The type of area being assessed. CodeObstacleAssessmentSurfaceType
ObstacleAssessmentArea surfaceZone A description of the zones within obstruction identification surfaces (OIS). CodeObstructionIdSurfaceZoneType
ObstacleAssessmentArea slopeLowerAltitude The altitude at the bottom of the assessment area. ValVerticalDistanceType
ObstacleAssessmentArea slope The slope value of the extent. Decimal
ObstacleAssessmentArea sectionNumber A sequence number indicating a part of an assessment area. Integer
ObstacleAssessmentArea safetyRegulation Identifier for the safety regulations in effect within the zone. CharacterString
ObstacleAssessmentArea gradientLowHigh Low to high gradient within the airspace. Decimal
ObstacleAssessmentArea assessedAltitude Highest of the minimum altitudes in controlling obstacles plus the altitude adjustments (operational factors). ValVerticalDistanceType
ObstacleAssessmentArea - The geometry of surfaces used to define the altitude the length of a segment, holding pattern, etc., in function of the obstructions located in the area. -
ObstacleArea ownerAerodrome The aerodrome for which the obstacle area has been defined. Aerodrome
ObstacleArea ownerRunway The ruwnay for which the obstacle area has been defined. RunwayDirection
ObstacleArea obstacle Obstale within the obstacle area. VerticalStructure
ObstacleArea ownerOrganisation The organisation for which the obstacle area has been defined. Organisation
ObstacleArea type The type of obstacle coverage area. CodeObstacleAreaType
ObstacleArea obstructionIdentificationSurfaceCondition An indicator of the type of obstacle assessment surface that obstructing area represents. CodeObstacleAssessmentSurfaceType
ObstacleArea - An area used for the purpose of collecting obstacle data, as necessary for air navigation systems or functions. -
Obscuration type Type of hydrometeor. CodeObscurationType
Obscuration - A weather phenomenon which reduces the visibility due to hydrometeor or lithometeor in suspension in the air. -
ObjectWithSchedule timesheet A component of the schedule. Timesheet
ObjectWithSchedule specialDateAuthority The organisation responsible for the special dates within the schedule. CharacterString
ObjectWithSchedule - An object with a repetitive time period, occurring cyclically. -
Object annotation A general text note for the object or for one of its properties. Note
Object - A standardized or formalized collection of a Data Entity's Property/(ies). Object does not exist without the Data Entity but can be part of the operational language or system-specific property. -
Note linguisticNote The note written linguistically. LinguisticNote
Note purpose An indication of the goal which led to the provision of the free text note. CodeNotePurposeType
Note propertyName The name of the entity property for which this note is relevant, if applicable. If no propertyName is specified, then the Note is relevant for the entity as a whole. CharacterString
Note - A general text note for an entity or for one of its properties. -
NonMovementArea associatedAerodrome The aerodrome the non-movement area is associated with. Aerodrome
NonMovementArea - Area where aircraft cannot be seen by a control tower and therefore are restricted to move. -
NonAutomatedWeatherObservationSource nonAutomatedWeatherInformationSourceType The type of weather information source. CodeNonAutomatedWeatherInformationSourceType
NonAutomatedWeatherObservationSource - Weather sources that tend to be manual in nature. -
NonAutomatedWeatherObservationInstrument weatherInstrumentType The type of weather instrument used in non-automated weather observation. CodeWeatherInstrumentType
NonAutomatedWeatherObservationInstrument - Non-Automated Weather Observation Instrument -
NitrogenSupply type The type of nitrogen supplies for aviation usage. CodeNitrogenSupplyType
NitrogenSupply - Nitrogen supplies in aviation. -
NDB frequency The frequency of the NDB emission. ValFrequencyType
NDB emissionBand The emission band for the NDB. CodeEmissionBandType
NDB class The class of the NDB. CodeNDBUsageType
NDB - A low or medium radio navigation service transmitting signals whereby the pilot of a suitably equipped aircraft can determine bearings, 'home in' on, and/or track to or from the station. -
NavigationAreaSectorDesign turnDirection A code indicating the direction of the turn. CodeDirectionTurnType
NavigationAreaSectorDesign terminationAltitude The termination altitude. ValVerticalDistanceType
NavigationAreaSectorDesign isTurnPermitted Indication whether the sector is clear for the direction of turn. Boolean
NavigationAreaSectorDesign designGradient The procedure design gradient. Decimal
NavigationAreaSectorDesign - Design criteria used for the navigation area sector. -
NavigationAreaSector sectorDefinition A portion of a navigation area. CircleSector
NavigationAreaSector significantObstacle The obstacle that controls the altitude definition of the sector or would penetrate the 40:1 obstacle clearance surface. Obstruction
NavigationAreaSector sectorCriteria The sector criteria used to define a navigation area sector. NavigationAreaSectorDesign
NavigationAreaSector - Subdivision of a sector to allow for different altitudes or gradients. -
NavigationAreaRestriction sectorDefinition The assessment area. CircleSector
NavigationAreaRestriction designSurface An evaluation area used when designing a procedure to insure safety of aircraft. ObstacleAssessmentArea
NavigationAreaRestriction procedure The procedure to which the navigation area restriction applies. Procedure
NavigationAreaRestriction type The type of restriction area. CodeNavigationAreaRestrictionType
NavigationAreaRestriction - Area that is restricted from use for a procedure. -
NavigationArea centrePoint The significant point which the navigation area is based on. InfrastructurePoint
NavigationArea sector A subdivision of the navigation area designed to provide safety. NavigationAreaSector
NavigationArea departure The SID that is protected by the navigation area. StandardInstrumentDeparture
NavigationArea navigationAreaType The type of navigation area that is defined. CodeNavigationAreaType
NavigationArea minimumVisibility The minimum visibility needed when using the departure navigation area. ValDistanceType
NavigationArea minimumCeiling The minimum cloud base needed when using the departure navigation area. ValVerticalDistanceType
NavigationArea - An area specified by sectors with altitude or procedure descent gradient limitations for omnidirectional departures or Pilot navigation area. -
NavaidOperationalStatus signalType The type of signal that is affected by the operational status. CodeRadioSignalType
NavaidOperationalStatus operationalStatus The operational status of the radio navigation aid. CodeStatusNavaidType
NavaidOperationalStatus - Information about the operational status of the radio navigation aid. -
NavaidEquipmentMonitoring isMonitored An indicator that the radio navigation aid is monitored. Boolean
NavaidEquipmentMonitoring - Information about the radio navigation aid monitoring. -
NavaidEquipmentDistance distanceAccuracy The accuracy of the distance between a runway's centreline point and a specified radio navigation aid. ValDistanceType
NavaidEquipmentDistance distance The measured or calculated distance between a runway centreline point and a radio navigation aid. ValDistanceType
NavaidEquipmentDistance - The distances between various runway centreline points and a radio navigation aid. -
NavaidComponent markerPosition A code indicating the position, in a navaid landing system, of the markers situated on the centreline of a runway. CodePositionInILSType
NavaidComponent isOwnedByService Indicator that the navaid component is owned by the radio navigation service instead of just being used by the service (as a navaid component can be used by multiple radio navigation services). Boolean
NavaidComponent isNavigableLocation Indication that the radio navigation aid is used to specify the navigable location of the radio navigation service when the radio navigation service is used as a significant point. Boolean
NavaidComponent collocationGroup A number identifying the collocation group to which the radio navigation aid belongs. Integer
NavaidComponent - The use of a radio navigation aid as a component of a radio navigation service. -
MovementDescription towardsCardinalDirection The cardinal direction towards which the meteorological phenomenon is moving. CodeCompassPointType
MovementDescription speed Speed of the movement of the meteorological phenomenon. ValSpeedType
MovementDescription isStationary Indication whether a meteorological phenomenon is moving or not. Boolean
MovementDescription fromCardinalDirection The cardinal direction from which the meteorological phenomenon is moving. CodeCompassPointType
MovementDescription directionTowards Heading of the movement of a meteorological phenomenon. Angle
MovementDescription directionFrom The angle from which the meteorological phenomenon is moving. Angle
MovementDescription - Movement information associated with a phenomenon. -
European Supplement MovementArea apron An apron considered part of the aerodrome's movement area. Apron
European Supplement MovementArea manoeuvringArea A manoeuvring area considered part of the aerodrome's movement area. ManoeuvringArea
European Supplement MovementArea - That part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, consisting of the manoeuvring area and the apron(s). -
MLSElevation angleSpan The value of the span angle of the elevation transmitter signal between the lower and the upper limits. Angle
MLSElevation angleNominal The normal glide path angle for the MLS installation. Angle
MLSElevation angleMinimum The value of the lowest elevation angle authorized for an MLS procedure. Angle
MLSElevation angleAccuracy Accuracy of the elevation angle. Angle
MLSElevation - A component of an MLS consisting of an SHF transmitter, and associated equipment radiating signals within a volume of airspace served by the MLS, thereby furnishing elevation information as an angular value to aircraft approaching the runway. -
MLSAzimuth type A code indicating if it is 'normal' or 'back' azimuth equipment. CodeMLSAzimuthType
MLSAzimuth trueBearingAccuracy Accuracy of the measured angle between the azimuth beam and True North at the azimuth antenna Angle
MLSAzimuth trueBearing The measured angle between the azimuth beam and True North at the azimuth antenna. Angle
MLSAzimuth magneticBearing The measured angle between the direction of the azimuth beam and Magnetic North at the azimuth antenna. Angle
MLSAzimuth channel A code indicating the channel on which the Microwave Landing System is operating. CodeMLSChannelType
MLSAzimuth angleProportionalRight The value of the angle within which the azimuth indication is proportional to the deviation from the azimuth zero indication direction, and right of this direction from the azimuth antenna. Angle
MLSAzimuth angleProportionalLeft The value of the angle within which the azimuth indication is proportional to the deviation from the azimuth zero indication direction, and left of this direction from the azimuth antenna. Angle
MLSAzimuth angleCoverRight The value of the angle from the zero indication direction within which the azimuth indication is usable, and right of this direction from the azimuth antenna. Angle
MLSAzimuth angleCoverLeft The value of the angle from the zero indication direction within which the azimuth indication is usable, and left of this direction from the azimuth antenna. Angle
MLSAzimuth - A component of an MLS consisting of an SHF transmitter and associated equipment, radiating signals in a volume of airspace served by the MLS, thereby furnishing azimuth indications to aircraft approaching the runway or back azimuth indications to aircraft departing from the runway or performing a missed approach procedure. -
European Supplement Mission ares The airspace reservation required by the mission. AirspaceReservation
European Supplement Mission name A free text name by which the mission is known. CharacterString
European Supplement Mission airToAirEngagementType Indicates the type of air-to-air engagement between the formations participating in the activity. CodeAirToAirEngagementType
European Supplement Mission - Operation carried out by an aircraft or a group of aircraft used in military service. -
MissedApproachProcedure altimeter A source for determining aircraft altitude using pressure measurements. AltimeterSource
MissedApproachProcedure instruction Operational instructions that must be observed when flying the Missed Approach. CharacterString
MissedApproachProcedure alternateClimbInstruction A second climb-to-altitude provided on a missed approach based off the remote altimeter source. CharacterString
MissedApproachProcedure alternateClimbAltitude The altitude for the alternate climb instruction. ValVerticalDistanceType
MissedApproachProcedure - The procedure to be followed if the approach cannot be continued. -
MissedApproachLeg condition A particular final approach condition that must be met for the assessed missed approach. ApproachCondition
MissedApproachLeg type The types of missed approach. CodeMissedApproachType
MissedApproachLeg requiredNavigationPerformance The minimum navigation performance accuracy required in an airspace. It is the navigation performance accuracy of all the user and navigation system combinations within an airspace. Decimal
MissedApproachLeg isThresholdAfterMissedApproachPoint Indication whether the missed approach point is after the threshold. Boolean
MissedApproachLeg heightAfterMissedApproachPoint Elevation of the missed approach surface at the missed approach point. ValVerticalDistanceType
MissedApproachLeg - A segment leg designed in accordance with the rules for missed approach segments. -
Minima adjustmentINOP The inoperable equipment. EquipmentUnavailableAdjustment
Minima visibility The minimum visibility needed to land at the airport when using the specified altitude and/or height. ValDistanceType
Minima radioHeight The height reported by a radio altimeter. ValVerticalDistanceType
Minima militaryVisibility The visibility value applicable to the military height. ValDistanceType
Minima militaryHeight The height value for the minimum used by militaries. ValVerticalDistanceType
Minima isRVREquipmentMandatory Indication that RVR equipment is mandatory for this operation. Boolean
Minima heightCode An indication of the meaning of the height value, such as obstacle clearance height or decision height. CodeMinimumHeightType
Minima height The height value for the minimum ValVerticalDistanceType
Minima altitudeCode An indication of the meaning of the altitude value. CodeMinimumAltitudeType
Minima altitude The lowest altitude an aircraft flies before making a decision to land or abort and take the missed approach. ValVerticalDistanceType
Minima - Vertical and horizontal visual minima for a procedure segment conditions such as aircraft category, navigation equipment usage, procedure type, altimeter, etc. -
European Supplement MilitaryFlightActivity militaryActivity The type of military flight activity, with a national specificity. CodeMilitaryActivityType
European Supplement MilitaryFlightActivity - Action or movement performed by an aircraft or a group of aircraft used in military service which may pose a threat to civil aircraft and which should be coordinated with ATS authorities. -
MilitaryAuthority fleetAircraft An aircraft which forms part of the military authority's fleet. Aircraft
MilitaryAuthority militaryAuthorityType The type of military authority. CodeMilitaryAuthorityType
MilitaryAuthority - The military authority designated by the State. -
MicrowaveLandingSystem mlsAzimuth The MLS Azimuth component of the MLS. MLSAzimuth
MicrowaveLandingSystem mlsElevation The MLS Elevation component of the MLS. MLSElevation
MicrowaveLandingSystem signalPerformance The signal performance level indicating the precision of the MLS system. CodeSignalPerformanceType
MicrowaveLandingSystem frequency The frequency of the MLS system. ValFrequencyType
MicrowaveLandingSystem - A precision approach and landing guidance system operating in the microwave spectrum, which provides position information and various ground-to-air data. -
Measure precision The precision of the unit. Number
Measure accuracy Accuracy (standard deviation) of the measured value. Number
Measure - The result from performing the act or process of ascertaining the extent, dimensions, or quantity of some entity. -
European Supplement MCDMCoordinationUserCategoryInvolvement userCategory The type of organisation involved in the MCDM coordination. CodeUnitType
European Supplement MCDMCoordinationUserCategoryInvolvement role Role of the user category within the coordination. CodeMCDMCoordinationActorRoleType
European Supplement MCDMCoordinationUserCategoryInvolvement coordinationLevel The coordination level. CodeMCDMCoordinationLevelType
European Supplement MCDMCoordinationUserCategoryInvolvement - The involvement of an organisation within an MCDM Coordination for an ATFM measure. -
European Supplement MCDMCoordinationActor user User acting within the coordination. Unit
European Supplement MCDMCoordinationActor actorRole Role of the actor within the MCDM coordination. CodeMCDMCoordinationActorRoleType
European Supplement MCDMCoordinationActor approvalStatus Approval status of the actor within the coordination. CodeMCDMCoordinationApprovalStatusType
European Supplement MCDMCoordinationActor - missing data -
European Supplement MCDMCoordination sourceHotspot ATFM hotspot at the origin of the MCDM coordination. ATFMHotspot
European Supplement MCDMCoordination coordinatedMeasure ATFM measure in the context of which the coordination is done. ATFMMeasure
European Supplement MCDMCoordination involvedUserCategory A category of users involved in a coordination for an ATFM measure. MCDMCoordinationUserCategoryInvolvement
European Supplement MCDMCoordination initiator The initiator of the MCDM coordination Unit
European Supplement MCDMCoordination actor A role that a user plays within the MCDM topic. MCDMCoordinationActor
European Supplement MCDMCoordination actedUponFlight Flight being acted upon by the MCDM coordination at flight level. Flight
European Supplement MCDMCoordination actionOnFlight Coordination at the level of a flight within the coordination at measure level. MCDMCoordination
European Supplement MCDMCoordination timeToStartImplementation The deadline to start the implementation activities. DateTime
European Supplement MCDMCoordination timeToImplement The deadline to finish the implementation activities. DateTime
European Supplement MCDMCoordination timeToCoordinate The deadline to finish the coordination activities. DateTime
European Supplement MCDMCoordination isInitiatorImplementer Indication whether the initiator of the coordination is the implementer. Boolean
European Supplement MCDMCoordination hasLocalImpactOnly Indication whether the MCDMCoordination has local impact only and therefore involves only adjacent (upstream/downstream) FMPs instead of all FMPs along the flight path. Boolean
European Supplement MCDMCoordination coordinationStatus The status of the MCDM coordination. CodeMCDMCoordinationStatusType
European Supplement MCDMCoordination coordinationLevel The level at which the coordination is being done. CodeMCDMCoordinationLevelType
European Supplement MCDMCoordination - Coordination, in the context of Measure Collaborative Decision Making, for an ATFM measure or an action on a flight. -
European Supplement MatterEmission emittedParticularMatterType The type of emitted particle pollutant. CodeParticularMatterType
European Supplement MatterEmission emittedGasType The type of emitted gas. CodeGasType
European Supplement MatterEmission emittedAmount The amount of emitted substance. ValMassType
European Supplement MatterEmission - The emanation of gas or particle pollutants due to the operation of aircraft. -
MarkingElement style The style of the marking element line, such as continuous, dotted, etc. on an aerodrome surface. CodeMarkingStyleType
MarkingElement colour The colour of the marking element on an aerodrome surface. CodeColourType
MarkingElement - A symbol displayed on an aerodrome surface in order to convey aeronautical information. -
MarkingBuoy markedSeaplaneLandingArea The seaplane landing area which is marked by the buoy. SeaplaneLandingArea
MarkingBuoy element A component of the marking buoy. LightElement
MarkingBuoy type The type of the marking buoy at a seaplane landing area. CodeBuoyType
MarkingBuoy owner Code indicating the owner of the navigation buoy CodeMarkingBouyOwnerType
MarkingBuoy name Any commonly used name associated with the buoy. CharacterString
MarkingBuoy lightingType The type of marking buoy lighting. CharacterString
MarkingBuoy designator Official number of the marking buoy at a seaplane landing area. CharacterString
MarkingBuoy colour Colour of the marking buoy at a seaplane landing area. CodeColourType
MarkingBuoy - A floating object moored to the bottom in a particular place, as an aid to navigation or for other specific purposes. -
Marking sign A sign used to indicate the position AerodromeSign
Marking element A component of the marking. MarkingElement
Marking marking A marking used to indicate the position Marking
Marking type The type of the marking. CodeMarkingType
Marking isMarkingICAOStandard Indicates the aerodrome protection area surface marking is in accordance with International Civil Aviation Organization (ICAO) standard as described in Annex 14. Boolean
Marking isUsedInLVO Usage of the feature instance for Low Visibility Operations Boolean
Marking condition The quality of aerodrome protection area surface marking such as good, fair, poor and other. CodeMarkingConditionType
Marking - A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information. -
MarkerBeacon frequency The value of the radio emission frequency. ValFrequencyType
MarkerBeacon class A code indicating the class of the radio marker. CodeMarkerBeaconSignalType
MarkerBeacon axisBearing The true bearing of the minor axis of the marker beacon. Angle
MarkerBeacon auralMorseCode The Morse code transmitted by the beacon. CharacterString
MarkerBeacon - A radio navigation service identifying a particular location in space by means of a 75 megahertz (MHz) transmitter which transmits a directional signal to be received by aircraft flying overhead. -
MarineRailway platformWidth The measured width of the marine railway platform. ValDistanceType
MarineRailway platformLength The measured length of the marine railway platform. ValDistanceType
MarineRailway platformCapacity The capacity of the marine railway platform. ValWeightType
MarineRailway - A seaplane hauling system using a rolling carriage running from the water to a repair facility ashore. The vessel to be hauled is floated to a position over the carriage and secured with chocks, then the carriage is hauled up the tracks using a cable winch. -
European Supplement ManufacturerConfiguration manufacturer The manufacturer responsible for the configuration. AerospaceManufacturer
European Supplement ManufacturerConfiguration numberOfEngines An indication for the number of engines of an aircraft. CodeAircraftEngineNumberType
European Supplement ManufacturerConfiguration maximumTakeOffWeight The maximum weight at which the aircraft is certified for take-off due to structural or other limits. ValMassType
European Supplement ManufacturerConfiguration maximumNumberOfPassengers The maximum number of passengers carried on an aircraft. Integer
European Supplement ManufacturerConfiguration - Predefined aircraft configuration specified and delivered by the manufacturer of the aircraft or aircraft equipment(s). -
ManualSurfaceWeatherObservation observedBy The weather observer who performed the observation. WeatherObserver
ManualSurfaceWeatherObservation - Manual Surface Weather Observation -
ManoeuvringAreaUsage operation The type of activity for which an area under air traffic control is specified. CodeOperationManoeuvringAreaType
ManoeuvringAreaUsage - A rule governing the usage of the manoeuvring area element. -
ManoeuvringAreaAvailability usage Rule which regulates the usage of the manoeuvring area. ManoeuvringAreaUsage
ManoeuvringAreaAvailability warning A reason for caution when operating at the facility. CodeAirportWarningType
ManoeuvringAreaAvailability operationalStatus An indicator of the availability of the facility for specific flight operations. CodeStatusAirportType
ManoeuvringAreaAvailability - Information about the operational status of the manoeuvring area elements. -
European Supplement ManoeuvringArea runway A runway considered to be part of the ManoeuvringArea of the aerodrome. Runway
European Supplement ManoeuvringArea taxiway A taxiway considered to be part of the ManoeuvringArea of the aerodrome. Taxiway
European Supplement ManoeuvringArea - That part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, excluding aprons. -
European Supplement LTOFuelFlowIndex ltoPhase An engine mode included in the LTO cycle. CodeEngineOperationModeType
European Supplement LTOFuelFlowIndex fuelFlow The fuel flow for an engine for a specific LTO engine mode. Expressed in kg/sec. Decimal
European Supplement LTOFuelFlowIndex - The index for fuel flow for an engine for a specific LTO phase. Based on the ICAO Engine Exhaust Emissions Data Bank. -
European Supplement LTOEmissionsIndex ltoPhase An engine mode included in the LTO cycle. CodeEngineOperationModeType
European Supplement LTOEmissionsIndex emissionSubstance The kind of emitted substance (i.e. gas) CodeGasType
European Supplement LTOEmissionsIndex concentration The concentration of the emitted substance. Is expressed in microgram per cubic metre or gram per kilogram. ValConcentrationType
European Supplement LTOEmissionsIndex - The index for emission of a specific gas from an engine for a specific LTO phase. Based on the ICAO Engine Exhaust Emissions Data Bank. -
LongitudinalSeparationMinima - The minimum spacing between the estimated positions of the aircraft being separated. The spacing may be based on time or distance. -
Localizer widthCourseAccuracy Accuracy of the localizer course width, in degrees. Angle
Localizer widthCourse The localizer course width, in degrees. Angle
Localizer trueBearingAccuracy Accuracy of the measured angle between the localizer beam and True North at the localizer antenna. Angle
Localizer trueBearing The measured angle between the localizer beam and True North at the localizer antenna. Angle
Localizer magneticBearingAccuracy Accuracy of the measured angle between the localizer beam and Magnetic North at the localizer antenna. Angle
Localizer magneticBearing The measured angle between the localizer beam and Magnetic North at the localizer antenna. Angle
Localizer frequency The frequency of the localizer. ValFrequencyType
Localizer declination The angular difference between True North and the station declination (Magnetic North - as indicated by the station). Angle
Localizer backCourseUsable A code indicating the usability of the localizer signal in the back course sector. CodeILSBackCourseType
Localizer - A component of an ILS consisting of a VHF transmitter, radiating signals in the direction served by the ILS, to provide a straight line descent path in the vertical plane containing the centre line of the runway. -
LinguisticNote language The language in which the note is written. LanguageCode
LinguisticNote note The text of the note, in a specific language. CharacterString
LinguisticNote - The note content expressed in a specific language. -
LightStatus status The operational status of the light element. CodeStatusOperationsType
LightStatus - The operational status of the light(s). -
LightElement lightElementAvailability The operational status of the light element. LightStatus
LightElement type The type of light source. CodeLightSourceType
LightElement position The position of the light element. ThreeDimensionalPointType
LightElement lightMountingType A code used to identify the relationship of a lighting fixture with respect to it's mounting surface. CharacterString
LightElement lightBulbType The source type of the light. CodeLightBulbType
LightElement intensity The intensity of the lights in a light element group. ValLightIntensityType
LightElement intensityLevel The relative intensity of the lights in a light element group. CodeLightIntensityType
LightElement fixtureType The type of lighting fixture. CodeLightFixtureType
LightElement colour An indication of the colour of the lights in a light element group. CodeColourType
LightElement - An elementary light source, part of a lighting system. -
LightActivation intensityLevel The intensity step of the airborne controlled lighting system activated by the pilot, depending on the number of clicks. CodeLightIntensityType
LightActivation clicks The number of clicks on the microphone required for activation of airborne controlled lights at a particular intensity step. Integer
LightActivation activation The status of an airborne controlled lighting system when activated as the result of the number of clicks. CodeLightSystemActivationType
LightActivation - The status and the intensity of an airborne controlled lighting system when activated by the pilot. -
European Supplement LevelConstraint tolerance Altitude tolerance of the constraint. Integer
European Supplement LevelConstraint flightLevel Cleared flight level. Integer
European Supplement LevelConstraint executionKind The way to execute the order. CharacterString
European Supplement LevelConstraint - A constraint defined by an objective to set the cleared flight level for the flight. This constraint can be: - A Cleared Flight Level. The category is executive". - A Requested Flight Level. The category is "planning" - An En-route Cruise Level. The category is "flight_plan"." -
LateralConstraint - A restriction brought to the lateral component of the trajectory of an aircraft. -
European Supplement LateralConstraint requiredHeadingChange The change of heading required by the lateral constraint. HeadingChange
European Supplement LateralConstraint requiredRouteOffset The change of reference route required by the lateral constraint, expressed as a lateral offset established parallel to a designated ATS route at a given distance and in a given direction from the centre line relative to the direction of flight. RouteOrProcedureChange
European Supplement LateralConstraint requiredRouteOrProcedureChange The change of reference route or procedure required by the lateral constraint. RouteOrProcedureChange
European Supplement LateralConstraint requiredTrackDirectionChange The change of track direction required by the lateral constraint. TrackDirectionChange
European Supplement LateralConstraint requiredApproachHolding The approach holding phase to be started as required by the lateral constraint. FlightPhase
European Supplement LateralConstraint requiredEnRouteHolding The en-route holding phase to be started as required by the lateral constraint. FlightPhase
European Supplement LateralConstraint - A restriction brought to the lateral component of the trajectory of an aircraft. -
LargeLakeCondition lake The lake which is subject to observation or forecast. Lake
LargeLakeCondition - Weather observations or forecasts over a large body of water with sufficient fetch to generate appreciable wave height. -
European Supplement LandingSequencing frozenSequenceEntry The trajectory point at which arrival management plans to freeze the sequence position of the flight RouteTrajectoryPoint
European Supplement LandingSequencing landingSequencePositionFixedTime The time at which landing sequence management plans to freeze the sequence position of the flight DateTime
European Supplement LandingSequencing landingSequencePosition The position of a given aircraft in the Arrival Sequence, relative to other Aircraft and the runway threshold. CharacterString
European Supplement LandingSequencing isLandingSequencePositionFixed Indicator that the position of the flight in the landing sequence has been frozen Boolean
European Supplement LandingSequencing arrivalSequencingStatus The current status of the aircraft in the arrival management process. CodeAMANStatusType
European Supplement LandingSequencing - Descriptors of the flight status in the arrival management process. -
European Supplement LandingSequence activeRunwayConfiguration The runway configuration receiving the sequenced aircraft. ActiveRunwayConfiguration
European Supplement LandingSequence resultingAdvisory Advisory required to implement the sequence. ArrivalManagementAdvisory
European Supplement LandingSequence horizonInUse The horizon used to organise the sequence. ArrivalManagementHorizon
European Supplement LandingSequence activeStrategy The active arrival management strategy. ArrivalManagementStrategy
European Supplement LandingSequence responsibleATSU The ATS unit managing the Landing Sequence. This is normally the Tower. Unit
European Supplement LandingSequence amanATSU The control centre providing the AMAN sequence. Unit
European Supplement LandingSequence managedRunway The runway the traffic into which is managed by the sequence. RunwayDirection
European Supplement LandingSequence sequencedLanding A landing organised into the sequence. Landing
European Supplement LandingSequence arrivalManagementStrategy The name of the set of operational rules and procedures underlying the AMAN tool optimisation algorithm. The strategy implements the trade-off between the goals of equity, high throughput, and trajectory efficiency which has agreed between the stakeholders. CharacterString
European Supplement LandingSequence - The order in which two or more aircraft are planned to land taking into account ATM constraints. -
Landing arrival Operations during which the landing takes place. ArrivalOperations
Landing preferredLandingRunwayDirection For Air Ground cooperative air traffic services and especially for Pilot Preferences Downlink services, this data is part of the Aircrew's preferences on the way the flight is to be conducted for various operational reasons. In order to elaborate pertinent control strategies, Controllers need to be aware of these preferences. RunwayDirection
Landing time Time at which an aircraft touches down. DateTimeWithPlanningType
Landing landingTolerance The tolerance with which the Target Landing time is required to be achieved by the Aircraft. DateTime
Landing - Event in which an aircraft touches down. -
LandAndHoldShortOperationsMarking lahsoType The type of location being protected by the feature instance CodeLAHSOMarkingType
LandAndHoldShortOperationsMarking holdingSide Relative location of the holding side of a holding position, from startpoint to endpoint of line CodeHoldingSideType
LandAndHoldShortOperationsMarking - Marking used for Land and Hold Short Operations (LAHSO). -
Lake - Inland body of surface water of significant extent. -
JetStream type The type of jet stream. CodeJetStreamType
JetStream - Flat tubular, quasi-horizontal, current of air generally near the tropopause, whose axis is along a line of maximum speed and which is characterized by great speeds and strong vertical and horizontal wind shears. -
IonosphericStorm electronContent The number of electrons along a ray path between a transmitter and a receiver. This number is significant in determining ionospheric effects such as refraction, dispersion, and group delay on radio waves, and can be used to estimate critical frequencies. The total electron content (TEC) is strongly affected by solar and geomagnetic activity. ValParticleContentType
IonosphericStorm - Turbulence in the F region of the ionosphere, usually due to a sudden burst of radiation from the Sun. -
IntermediateLeg requiredNavigationPerformance The minimum navigation performance accuracy required in an airspace. It is the navigation performance accuracy of all the user and navigation system combinations within an airspace. Decimal
IntermediateLeg - A segment leg designed in accordance with the rules for intermediate segments. -
InstrumentLandingSystem ilsGlidepath The ILS Glidepath component of the ILS. ILSGlidepath
InstrumentLandingSystem localizer The localizer component of the ILS. Localizer
InstrumentLandingSystem marker The Marker Beacon component of the ILS. MarkerBeacon
InstrumentLandingSystem signalPerformance The signal performance level indicating the precision of the ILS system. CodeSignalPerformanceType
InstrumentLandingSystem integrityLevel The quality which relates to the trust which can be placed in the correctness of the information supplied by the ILS facility. CodeIntegrityLevelILSType
InstrumentLandingSystem frequency The frequency of the ILS system. ValFrequencyType
InstrumentLandingSystem courseQuality An indication of the signal quality of the ILS course structure based on the location the precision signal is usable to. CodeCourseQualityILSType
InstrumentLandingSystem - A combination of radio navigation services intended to facilitate aircraft in land