Aviation English
Flight Phase

Qu'est-ce que Turbulence ?

Turbulence Irregular motion of the air resulting from eddies and vertical currents, often causing bumpiness or abrupt altitude changes for aircraft. Pilots report turbulence to ATC for safety.

Source: ICAO Doc 9432, FAA PCG

How is “Turbulence” Used in Practice?

Signalez des turbulences modérées du niveau de vol trois six zéro à trois huit zéro. Demandez la descente pour éviter de fortes turbulences à venir.

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 ?

Irregular motion of the air resulting from eddies and vertical currents, often causing bumpiness or abrupt altitude changes for aircraft. Pilots report turbulence to ATC for safety.

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