TLOF - AIXM Coding Checklist

The following table provided a complete overview of the AIXM 5 features/objects and properties relevant for the coding of TLOFs which will be published as part of an PANS-AIM defined AIP data set.

The table also gives an indication if the property is mandatory for an AIP data set and under which conditions.

AIXM Feature/ObjectAIXM Feature/Object PropertyComplex Type or xlink:href to other FeatureAIP data set
TouchDownLiftOffdesignator
Mandatory

length
Mandatory

width
Mandatory

slope
Optional

helicopterClass
Optional

abandoned
Optional

aimingPointElevatedPointMandatory (used to code a centrepoint, in case both exists the centre point or aiming point has to be coded as annotation)

extentElevatedSurface

Optional


surfacePropertiesSurfaceCharacteristicsMandatory

associatedAirportHeliportxlink:href -> AirportHeliportMandatory

approachTakeOffAreaxlink:href -> RunwayOptional

contaminantTouchDownLiftOffContaminationOptional

annotationNote

Mandatory for information required by PANS-AIM for which there is no dedicated AIXM property, viz:

  • Accuracy for length
  • Accuracy for width

availabilityManoeuvringAreaAvailabilityOptional
SurfaceCharacteristicscomposition
Mandatory

preparation
Optional

surfaceCondition
Optional

classPCN
Optional

pavementTypePCN
Optional

pavementSubgradePCN
Optional

maxTyrePressurePCN
Optional

evaluationMethodPCN
Optional

classLCN
Optional

weightSIWL
Optional

tyrePressureSIWL
Optional

weightAUW
Optional

annotationNoteOptional