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The diagram below shows the AIXM classes, including the relevant data types, needed to encode that information:
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A change proposal (AIXM-561) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, where the helicopterPerformanceClass attribute is added to AircraftCharacteristics and the association between TouchDownLiftOff and AircraftCharacteristic is established. The coding guidelines provided here are aligned with forward/backward conversion rules contained in the AIXM-561 Change Proposal. |
TLOF Designator
The TouchDownLiftOff.designator attribute represents the textual designator of the TLOF, used to distinguish physical TLOFs at an Aerodrome/Heliport that has more than one. The attribute value should reflect the local convention for physical TLOF naming at the Aerodrome/Heliport.
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In addition, a TLOF may be situated on a Runway. This association should also be used in order to associate a TLOF with a Runway that is used for final approach by helicopters, while the TLOF itself is located somewhere else on the airport surface. In this regard a runway may be of type Runway or FATO (see also topic Runway [RWY]).
Coding Rules for Basic Data for TLOF
Include Page
Coding Examples
Coding examples can be found in the AIP Data Set - Specimen (DONLON):
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