Aviation English
Cabin Safety

备用氧气面罩 是什么？

备用氧气面罩 Additional oxygen masks stored onboard to supplement the fixed oxygen system for crew or passenger use.

Source: ICAO Doc 9432, FAA PCG

How is “备用氧气面罩” Used in Practice?

维修在飞行前检查了应急设备舱内所有备用面罩的密封性和可用性。

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

安全带手电筒急救包安全带组

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Frequently Asked Questions

备用氧气面罩 是什么？

Additional oxygen masks stored onboard to supplement the fixed oxygen system for crew or passenger use.

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