Aviation English
MEL and CDL MEL and CDL
D类 是什么?
D类 A Minimum Equipment List category requiring rectification of an inoperative item within 120 consecutive calendar days, excluding the day of discovery.
Source: ICAO Doc 9432, FAA PCG
How is “D类” Used in Practice?
D类项目失效,最低设备清单允许最长120天内修复。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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D类 是什么?
A Minimum Equipment List category requiring rectification of an inoperative item within 120 consecutive calendar days, excluding the day of discovery.
Where can I learn this term for free?
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