Aviation English
Cabin Safety

昼夜信号弹 是什么？

昼夜信号弹 A pyrotechnic signaling device that can be used in both daylight and darkness, included in survival kits for attracting the attention of rescuers.

Source: ICAO Doc 9432, FAA PCG

How is “昼夜信号弹” Used in Practice?

只有与搜救队或飞机建立目视联系时才发射昼夜信号弹。

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

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Frequently Asked Questions

昼夜信号弹 是什么？

A pyrotechnic signaling device that can be used in both daylight and darkness, included in survival kits for attracting the attention of rescuers.

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