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obstacle clearance height [1 record]

Record 1 2012-09-05


Subject field(s)
  • Aircraft Piloting and Navigation
  • Air Traffic Control

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


obstacle clearance height; OCH: term, abbreviation and definition standardized by the Glossary for Pilots and Air Traffic Services Personnel Committee.


  • Pilotage et navigation aérienne
  • Circulation et trafic aériens

Hauteur la plus basse au-dessus de l'altitude du seuil d'une piste ou de l'altitude d'aérodrome, selon le cas, utilisée pour faire respecter les critères appropriés de franchissement d'obstacles.


hauteur de franchissement d'obstacles; OCH : terme, abréviation et définition normalisés par le Comité sur le Glossaire à l'intention des pilotes et du personnel des services de la circulation aérienne.


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