Aviation English
MEL and CDL MEL and CDL

内部通话系统失效 是什么？

内部通话系统失效 Internal crew communication system not functioning, affecting cockpit-cabin coordination and triggering MEL action.

Source: ICAO Doc 9432, FAA PCG

How is “内部通话系统失效” Used in Practice?

塔台，JET789，客舱对讲系统失效；请求优先返回登机口。

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

广播系统客舱内话机客舱内部通信系统客舱日志故障

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Frequently Asked Questions

内部通话系统失效 是什么？

Internal crew communication system not functioning, affecting cockpit-cabin coordination and triggering MEL action.

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