Aviation English
Long Haul

Qu'est-ce que Dérive moteur inopérant ?

Dérive moteur inopérant The lateral displacement from track or altitude lost when an aircraft operates with one or more engines inoperative, especially during ETOPS segments.

Source: ICAO Doc 9432, FAA PCG

How is “Dérive moteur inopérant” Used in Practice?

Si une dérive moteur inopérant est nécessaire, suivez la route de contingence et informez immédiatement l’ATC.

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

Procédure de descente en dériveVol prolongé au-dessus de l’eauCarte de point d’égalité de tempsLimite d’autonomie étendue

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Frequently Asked Questions

Qu'est-ce que Dérive moteur inopérant ?

The lateral displacement from track or altitude lost when an aircraft operates with one or more engines inoperative, especially during ETOPS segments.

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