双发延程运行 是什么？
双发延程运行 Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).
Source: ICAO Doc 9432, FAA PCG
How is “双发延程运行” Used in Practice?
中心台，ABN123 在 DOGGO 进入双发延程运行区段，燃油检查完毕，请求太平洋跨越的位置信息。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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双发延程运行 是什么？
Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).
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