FinalLeg

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

A segment leg designed in accordance with the rules for final segments.

Source: EUROCONTROL-FAA AIXM v.5.1
Parent concept: ApproachLeg


Properties:

Properties Definition Type
courseCentrelineDistance The distance from the landing threshold point to the point where the extended runway centreline intersects the final approach course. ValDistanceType
visualDescentPoint A defined point on the final approach course of a nonprecision straight-in approach procedure from which normal descent from the MDA to the runway touchdown point may be commenced, provided visual reference is established. InfrastructurePoint
finalPathAlignmentPoint A point defined by a latitude, longitude and MSL elevation used in conjunction with the LTP and the geometric center of the WGS-84 ellipsoid to define the vertical plane of a PA RNAV final approach course. InfrastructurePoint
condition A specific condition established for the final segment leg. ApproachCondition
finalApproachSegmentDataBlock Data used in the CRC calculation of the FMS box to insure the final segment of an approach procedure has not been modified. FinalApproachSegmentDataBlock
isRNPDMEAuthorised Indication whether DME/DME RNP 0.3 is allowed.

Boolean

minimumBarometricVerticalNavigationTemperature The aerodrome temperature below which the use of Baro-VNAV is not authorized to the LNAV/VNAV DA. ValTemperatureType
landingSystemCategory Landing system category. CodeInstrumentRunwayType
guidanceSystem Guidance system used on the final approach segment of an instrument approach procedure. CodeFinalGuidanceType
courseOffsetSide Indication on which side of the extended runway centreline the final approach course lies, when viewed from the Final Approach Fix. CodeRelativePositionType
courseOffsetDistance The distance between the final approach course and extended runway centreline at a point located 3000 ft from the landing threshold point, measured perpendicular to the extended runway centreline. ValDistanceType
courseOffsetAngle The offset angle between the final approach course and the extended runway centreline.

Angle

courseCentrelineIntersect Indication whether the intersection of the final approach course with the extended runway centreline is located before or after the landing threshold point. CodeRelativePositionType

courseCentrelineDistance

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@courseCentrelineDistance

The distance from the landing threshold point to the point where the extended runway centreline intersects the final approach course.

type: ValDistanceType

Model Concept

AIXM 5.1.1

courseCentrelineDistance

visualDescentPoint

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@visualDescentPoint

A defined point on the final approach course of a nonprecision straight-in approach procedure from which normal descent from the MDA to the runway touchdown point may be commenced, provided visual reference is established.

type: InfrastructurePoint

Model Concept

AIXM 5.1.1

visualDescentPoint

finalPathAlignmentPoint

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@finalPathAlignmentPoint

A point defined by a latitude, longitude and MSL elevation used in conjunction with the LTP and the geometric center of the WGS-84 ellipsoid to define the vertical plane of a PA RNAV final approach course.

type: InfrastructurePoint

Model Concept

AIXM 5.1.1

finalPathAlignmentPoint

condition

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@condition

A specific condition established for the final segment leg.

type: ApproachCondition

Model Concept

AIXM 5.1.1

condition

finalApproachSegmentDataBlock

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@finalApproachSegmentDataBlock

Data used in the CRC calculation of the FMS box to insure the final segment of an approach procedure has not been modified.

type: FinalApproachSegmentDataBlock

Model Concept

AIXM 5.1.1

FASData

isRNPDMEAuthorised

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@isRNPDMEAuthorised

Indication whether DME/DME RNP 0.3 is allowed.

type: Boolean

Model Concept

AIXM 5.1.1

rnpDMEAuthorized

minimumBarometricVerticalNavigationTemperature

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@minimumBarometricVerticalNavigationTemperature

The aerodrome temperature below which the use of Baro-VNAV is not authorized to the LNAV/VNAV DA.

type: ValTemperatureType

Model Concept

AIXM 5.1.1

minimumBaroVnavTemperature

landingSystemCategory

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@landingSystemCategory

Landing system category.

type: CodeInstrumentRunwayType

Model Concept

AIXM 5.1.1

landingSystemCategory

guidanceSystem

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@guidanceSystem

Guidance system used on the final approach segment of an instrument approach procedure.

type: CodeFinalGuidanceType

Model Concept

AIXM 5.1.1

guidanceSystem

courseOffsetSide

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@courseOffsetSide

Indication on which side of the extended runway centreline the final approach course lies, when viewed from the Final Approach Fix.

type: CodeRelativePositionType

Model Concept

AIXM 5.1.1

courseOffsetSide

courseOffsetDistance

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@courseOffsetDistance

The distance between the final approach course and extended runway centreline at a point located 3000 ft from the landing threshold point, measured perpendicular to the extended runway centreline.

type: ValDistanceType

Model Concept

AIXM 5.1.1

courseOffsetDistance

courseOffsetAngle

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@courseOffsetAngle

The offset angle between the final approach course and the extended runway centreline.

type: Angle

Model Concept

AIXM 5.1.1

courseOffsetAngle

courseCentrelineIntersect

urn:aero:airm:1.0.0:LogicalModel:Subjects:AirspaceInfrastructure:RouteAndProcedure:FinalLeg@courseCentrelineIntersect

Indication whether the intersection of the final approach course with the extended runway centreline is located before or after the landing threshold point.

type: CodeRelativePositionType

Model Concept

AIXM 5.1.1

courseCentrelineIntersect