Aviation English
Flight Planning

Qu'est-ce que surface de dégagement d’obstacles ?

surface de dégagement d’obstacles Imaginary inclined plane established to ensure minimum safe vertical separation between aircraft flight paths and obstacles.

Source: ICAO Doc 9432, FAA PCG

How is “surface de dégagement d’obstacles” Used in Practice?

Tour à Vol 210 : votre trajectoire de départ croise la surface de dégagement d’obstacles, suivez strictement le profil SID.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Briefing avant volDémo de sécuritéContrôle De Sécurité De La CabineInspection du givre

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Frequently Asked Questions

Qu'est-ce que surface de dégagement d’obstacles ?

Imaginary inclined plane established to ensure minimum safe vertical separation between aircraft flight paths and obstacles.

Where can I learn this term for free?

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