洋面航线 是什么？
洋面航线 A published route across oceanic airspace, usually coordinated daily, which enables safe and efficient passage of aircraft between continents over oceans.
Source: ICAO Doc 9432, FAA PCG
How is “洋面航线” Used in Practice?
通过洋面航线Alpha获批，到达进入点时报告，并保持指定马赫数。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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洋面航线 是什么？
A published route across oceanic airspace, usually coordinated daily, which enables safe and efficient passage of aircraft between continents over oceans.
Where can I learn this term for free?
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