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Back to: "O"obstacle clearance altitude
- Sinônimos
- obstacle clearance height
- Definição1
- Obstacle clearance altitude (OCA) or obstacle clearance height (OCH). The lowest altitude or 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.
- Fonte1
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Aircraft operations: flight procedures. 5.ed. Montreal, 2006. Volume 1. (Doc. 8168) .
- Nota adicional1
- Acronym in english: OCA.
- Nota adicional2
- Obstacle clearance altitude is referenced to mean sea level and obstacle clearance height is referenced to the threshold elevation or in the case of non-precision approach procedures to the aerodrome elevation or the threshold elevation if that is more than 2 m (7 ft) below the aerodrome elevation. An obstacle clearance height for a circling approach procedure is referenced to the aerodrome elevation.
- Broader Term
- altitude
- Spanish
- altitud de franqueamiento de obstáculos