防撞灯已开 是什么？
防撞灯已开 Indicates that the aircraft's anti-collision beacon lights have been switched on, typically prior to engine start, signaling that engines may be running or about to start.
Source: ICAO Doc 9432, FAA PCG
How is “防撞灯已开” Used in Practice?
塔台，防撞灯已开，准备推出。请求许可。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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防撞灯已开 是什么？
Indicates that the aircraft's anti-collision beacon lights have been switched on, typically prior to engine start, signaling that engines may be running or about to start.
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