Aviation English
Long Haul

改航放行 是什么？

改航放行 An amended ATC clearance that modifies the previously cleared route, typically issued to avoid weather, airspace restrictions, or traffic.

Source: ICAO Doc 9432, FAA PCG

How is “改航放行” Used in Practice?

德里管制，VTI311 因卡拉奇上空对流活动，请求改航放行，经航路 R460 继续飞行。

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

改航放行 是什么？

An amended ATC clearance that modifies the previously cleared route, typically issued to avoid weather, airspace restrictions, or traffic.

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