Aviation English
Long Haul

洋区放行 是什么？

洋区放行 ATC authorization required for entry into and flight within oceanic airspace, specifying route, level, and Mach number.

Source: ICAO Doc 9432, FAA PCG

How is “洋区放行” Used in Practice?

Gander，DAL150 请求北大西洋航线Delta的洋区放行，高度350，马赫数0.82。

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

洋区放行 是什么？

ATC authorization required for entry into and flight within oceanic airspace, specifying route, level, and Mach number.

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