TouchDownLiftOffLightSystem TouchDownLiftOffMarking ManoeuvringAreaAvailability ManoeuvringAreaUsage SurfaceCharacteristics ElevatedSurface ElevatedPoint Runway AirportHeliport TouchDownLiftOff

Diagram - Helicopter Surfaces / TLOF

Found in AIXM_v.5.1.1.AIXM.AIXM Features.AirportHeliport.Helicopter Surfaces package.

1 - TLOF.png