Aviation English
Cabin Safety

What is Seat belt?

Seat belt Primary restraint harness securing an aircraft occupant during all phases of flight and turbulence.

Source: ICAO Doc 9432, FAA PCG

How is “Seat belt” Used in Practice?

Tower, we encountered moderate turbulence; seat belt signs remain on and cabin crew seated for safety.

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

HarnessFlashlightCrew restraintFirst aid kit

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Frequently Asked Questions

What is Seat belt?

Primary restraint harness securing an aircraft occupant during all phases of flight and turbulence.

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