Aviation English
Emergencies

What is Severe Turbulence?

Severe Turbulence Turbulence causing large, abrupt changes in altitude and/or attitude, usually resulting in momentary loss of control and difficulty in maintaining aircraft control.

Source: ICAO Doc 9432, FAA PCG

How is “Severe Turbulence” Used in Practice?

Center, we encountered severe turbulence at FL340, requesting immediate descent to a lower flight level.

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

What is Severe Turbulence?

Turbulence causing large, abrupt changes in altitude and/or attitude, usually resulting in momentary loss of control and difficulty in maintaining aircraft control.

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