Aviation English
Cabin Safety

扩音器 是什么?

扩音器 A battery-powered portable loudspeaker used by crew to issue commands and instructions during evacuation or inoperative PA conditions.

Source: ICAO Doc 9432, FAA PCG

How is “扩音器” Used in Practice?

广播系统故障,乘务员用扩音器指挥紧急撤离;所有指令均已清晰传达。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Learn “扩音器” Free with Termify

Master 扩音器 and 4,071+ professional terms with native pronunciation, IPA transcriptions and career quizzes. 100% free, forever.

Download Free for iOS

Frequently Asked Questions

扩音器 是什么?

A battery-powered portable loudspeaker used by crew to issue commands and instructions during evacuation or inoperative PA conditions.

Where can I learn this term for free?

Termify is a 100% free professional English app that teaches 扩音器 and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.

Last updated: