Aviation English
Cabin Safety

予備マスクとは？

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

Source: ICAO Doc 9432, FAA PCG

How is “予備マスク” Used in Practice?

整備員は飛行前に緊急装備区画の予備マスク全てのシールと取り出しやすさを点検。

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

シートベルト懐中電灯救急キットハーネス

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Frequently Asked Questions

予備マスクとは？

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

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