Aviation English
Cabin Safety

What is Fixed oxygen?

Fixed oxygen A permanently installed aircraft oxygen supply system, providing breathable oxygen to designated cabin or cockpit outlets for crew and passengers, usually used in pressurization loss or emergency scenarios.

Source: ICAO Doc 9432, FAA PCG

How is “Fixed oxygen” Used in Practice?

Cabin crew, check the fixed oxygen supply in all stations after cabin depressurization.

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 Fixed oxygen?

A permanently installed aircraft oxygen supply system, providing breathable oxygen to designated cabin or cockpit outlets for crew and passengers, usually used in pressurization loss or emergency scenarios.

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