Aviation English
Basic ATC

加入下风腿 是什么？

加入下风腿 An instruction to enter the traffic circuit on the downwind leg, parallel to and opposite direction of landing runway.

Source: ICAO Doc 9432, FAA PCG

How is “加入下风腿” Used in Practice?

塔台：N154GS，加入15号跑道左下风腿，到达塔台对正时报告。

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

顺风航线圈加快交通警报

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Frequently Asked Questions

加入下风腿 是什么？

An instruction to enter the traffic circuit on the downwind leg, parallel to and opposite direction of landing runway.

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