SegmentLeg

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg

A part of an instrument or visual flight procedure defined by two consecutive significant points.

Source: Aeronautical Information Feature Data Dictionary (AIFDD)
Synonyms: Procedure Segment Leg
Parent concept: GeoTemporalEnabledEntity
Children: ApproachLeg; ArrivalLeg; DepartureLeg;


Properties:

Properties Definition Type
altitudeInterpretation A code indicating how the altitude attributes of a procedure leg should be interpreted. CodeAltitudeUseType
aircraftCategory The aircraft category for which the segment leg is valid. AircraftCategory
startTerminalSegmentPoint The point used to indicate the beginning of a segment. InfrastructurePoint
endTerminalSegmentPoint The point used to indicate the end of a segment. InfrastructurePoint
arcCentre The center point used to define an arc. InfrastructurePoint
holding Established holding used on a procedure. HoldingProcedure
angle The angle defined to limit aircraft trajectory. AngleIndication
designSurface An evaluation area used when designing a procedure segment to insure safety of aircraft. ObstacleAssessmentArea
distance The distance defined to limit aircraft trajectory. DistanceIndication
verticalAngle The vertical climb angle of the aircraft on the procedure leg.

Angle

upperLimitAltitude The upper limit altitude. ValVerticalDistanceType
turnDirection The direction of the turn. CodeDirectionTurnType
speedReference A code indicating the reference system for a speed value. CodeSpeedReferenceType
speedLimit The value of the speed limit on the procedure leg. ValSpeedType
speedInterpretation Indication how the speed attribute of a procedure leg should be interpreted. CodeAltitudeUseType
lowerLimitAltitude The lower limit altitude. ValVerticalDistanceType
length The length of the segment. ValDistanceType
legType The type of 'path and terminator' as given in ARINC Specification 424, Attachment 5, Path and Terminator. CodeSegmentPathType
legPath The type of flight path. CodeLegPathType
isProcedureTurnRequired Indication whether a procedure turn is required at the end of the segment leg.

Boolean

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
duration The duration of the segment.

TM_Duration

courseType A code indicating the type of course to be observed. CodeCourseType
courseDirection The flight direction to/from the navaid providing the course guidance. CodeRelativeDirectionType
course The value of the course angle.

Angle

bankAngle The recommended bank angle of the aircraft on the turn.

Angle

altitudeOverrideATC Alternate altitude when directed by Air Traffic Control. ValVerticalDistanceType

altitudeInterpretation

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@altitudeInterpretation

A code indicating how the altitude attributes of a procedure leg should be interpreted.

type: CodeAltitudeUseType

Model Concept

AIXM 5.1.1

altitudeInterpretation

aircraftCategory

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@aircraftCategory

The aircraft category for which the segment leg is valid.

type: AircraftCategory

Model Concept

AIXM 5.1.1

aircraftCategory

startTerminalSegmentPoint

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@startTerminalSegmentPoint

The point used to indicate the beginning of a segment.

type: InfrastructurePoint

Model Concept

AIXM 5.1.1

startPoint

endTerminalSegmentPoint

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@endTerminalSegmentPoint

The point used to indicate the end of a segment.

type: InfrastructurePoint

Model Concept

AIXM 5.1.1

endPoint

arcCentre

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@arcCentre

The center point used to define an arc.

type: InfrastructurePoint

Model Concept

AIXM 5.1.1

arcCentre

holding

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@holding

Established holding used on a procedure.

type: HoldingProcedure

Model Concept

AIXM 5.1.1

holding

angle

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@angle

The angle defined to limit aircraft trajectory.

type: AngleIndication

Model Concept

AIXM 5.1.1

angle

designSurface

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@designSurface

An evaluation area used when designing a procedure segment to insure safety of aircraft.

type: ObstacleAssessmentArea

Model Concept

AIXM 5.1.1

designSurface

distance

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@distance

The distance defined to limit aircraft trajectory.

type: DistanceIndication

Model Concept

AIXM 5.1.1

distance

verticalAngle

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@verticalAngle

The vertical climb angle of the aircraft on the procedure leg.

type: Angle

Model Concept

AIXM 5.1.1

verticalAngle

upperLimitAltitude

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@upperLimitAltitude

The upper limit altitude.

type: ValVerticalDistanceType

Model Concept

AIXM 5.1.1

upperLimitAltitude

turnDirection

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@turnDirection

The direction of the turn.

type: CodeDirectionTurnType

Model Concept

AIXM 5.1.1

turnDirection

speedReference

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@speedReference

A code indicating the reference system for a speed value.

type: CodeSpeedReferenceType

Model Concept

AIXM 5.1.1

speedReference

speedLimit

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@speedLimit

The value of the speed limit on the procedure leg.

type: ValSpeedType

Model Concept

AIXM 5.1.1

speedLimit

speedInterpretation

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@speedInterpretation

Indication how the speed attribute of a procedure leg should be interpreted.

type: CodeAltitudeUseType

Model Concept

AIXM 5.1.1

speedInterpretation

lowerLimitAltitude

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@lowerLimitAltitude

The lower limit altitude.

type: ValVerticalDistanceType

Model Concept

AIXM 5.1.1

lowerLimitAltitude

length

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@length

The length of the segment.

type: ValDistanceType

Model Concept

AIXM 5.1.1

length

legType

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@legType

The type of 'path and terminator' as given in ARINC Specification 424, Attachment 5, Path and Terminator.

type: CodeSegmentPathType

Model Concept

AIXM 5.1.1

legTypeARINC

legPath

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@legPath

The type of flight path.

type: CodeLegPathType

Model Concept

AIXM 5.1.1

legPath

isProcedureTurnRequired

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@isProcedureTurnRequired

Indication whether a procedure turn is required at the end of the segment leg.

type: Boolean

Model Concept

AIXM 5.1.1

procedureTurnRequired

endConditionDesignator

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure: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.

type: CodeSegmentTerminationType

Model Concept

AIXM 5.1.1

endConditionDesignator

duration

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@duration

The duration of the segment.

type: TM_Duration

Model Concept

AIXM 5.1.1

duration

courseType

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@courseType

A code indicating the type of course to be observed.

type: CodeCourseType

Model Concept

AIXM 5.1.1

courseType

courseDirection

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@courseDirection

The flight direction to/from the navaid providing the course guidance.

type: CodeRelativeDirectionType

Model Concept

AIXM 5.1.1

courseDirection

course

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@course

The value of the course angle.

type: Angle

Model Concept

AIXM 5.1.1

course

bankAngle

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@bankAngle

The recommended bank angle of the aircraft on the turn.

type: Angle

Model Concept

AIXM 5.1.1

bankAngle

altitudeOverrideATC

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:SegmentLeg@altitudeOverrideATC

Alternate altitude when directed by Air Traffic Control.

type: ValVerticalDistanceType

Model Concept

AIXM 5.1.1

altitudeOverrideATC