救生衣缺失 是什么？
救生衣缺失 Required passenger flotation device absent from its assigned seat location, rendering that position unserviceable until replaced in accordance with the MEL.
Source: ICAO Doc 9432, FAA PCG
How is “救生衣缺失” Used in Practice?
塔台，FLY235，机组报告有一件救生衣缺失；申请立即返回停机位更换。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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救生衣缺失 是什么？
Required passenger flotation device absent from its assigned seat location, rendering that position unserviceable until replaced in accordance with the MEL.
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