Aviation English
Meteorology

Qu'est-ce que turbulence sévère ?

turbulence sévère Turbulence that causes large, abrupt changes in altitude and/or attitude. Aircraft may be momentarily out of control. Occupants are forced violently against seat belts.

Source: ICAO Doc 9432, FAA PCG

How is “turbulence sévère” Used in Practice?

Nous subissons une turbulence sévère, demandons une descente immédiate pour l'éviter.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

Qu'est-ce que turbulence sévère ?

Turbulence that causes large, abrupt changes in altitude and/or attitude. Aircraft may be momentarily out of control. Occupants are forced violently against seat belts.

Where can I learn this term for free?

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