obstacle clearance altitude or obstacle clearance height

madalaim kõrgus merepinnast (OCA) või madalaim kõrgus määratuna lennuvälja või raja läve kõrgusest, mis sisaldab teatud kriteeriumidele vastavat kõrgusvaru takistuste kohal

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

Good to know

Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennutegevus
Staatus: kinnitatud

Good to know

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 approaches 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 is referenced to the aerodrome elevation.
See Procedures for Air Navigation Services — Aircraft Operations (Doc 8168), Volume I, Part I, Section 4, Chapter 1, 1.5, and Volume II, Part I, Section 4, Chapter 5, 5.4, for specific applications of this definition.

kõrgus merepinnast või maapinnast takistuste kohal preferred

kõrgus merepinnast takistuste kohal

kõrgus merepinnast/maapinnast takistuste kohal

kõrgus takistuste kohal merepinnast deprecated

suhteline kõrgus takistuste kohal deprecated

takistusest ülelennu kõrgus deprecated

takistusest ülelennu suhteline kõrgus deprecated

OCA/H abbreviation

obstacle clearance altitude or obstacle clearance height preferred

obstacle clearance altitude/height

Good to know

For convenience when both expressions are used they may be written in the form “obstacle clearance altitude/height” and abbreviated “OCA/H”.

obstacle clearance altitude

obstacle clearance height

OCA abbreviation

OCA/H abbreviation

OCH abbreviation

in the EU's IATE term base

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obstacle clearance altitude or obstacle clearance height

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