TransitionAltitudeOrLevelCrossing


             urn:aero:airm:1.0.0:ConceptualModel:Subjects:Flight:FlightEvent:TransitionAltitudeOrLevelCrossing

The event of reaching the transition altitude (in climb) or level (in descent).

Source: ICAO,

Related:
marks the crossing in descent of the TransitionLevel
marks the crossing in climb of the TransitionAltitude