ObstacleClearanceHeight

urn:aero:airm:1.0.0:ConceptualModel:Subjects:BaseInfrastructure:Obstacle:ObstacleClearanceHeight

The lowest height above the elevation of the relevant runway threshold or the aerodrome elevation as applicable, used in establishing compliance with appropriate obstacle clearance criteria.

Source: ICAO Annex 4,ICAO Annex 6,
Abbreviations: OCH