Aviation English
Flight Phase

怠速下降 是什么?

怠速下降 A descent procedure where engines are set to idle thrust, allowing the aircraft to descend primarily due to gravity, optimizing fuel efficiency and minimizing noise.

Source: ICAO Doc 9432, FAA PCG

How is “怠速下降” Used in Practice?

按进场程序下降,怠速下降获批,保持250节直到一万英尺。

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

怠速下降 是什么?

A descent procedure where engines are set to idle thrust, allowing the aircraft to descend primarily due to gravity, optimizing fuel efficiency and minimizing noise.

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