ما هو سطح حرج؟
سطح حرج Any aircraft part essential for lift or control, including wings, control surfaces, and stabilizers, which must be clear of frost, ice, or snow for safe flight.
Source: ICAO Doc 9432, FAA PCG
How is “سطح حرج” Used in Practice?
تأكد من أن جميع الأسطح الحرجة خالية من التلوث قبل طلب تصريح الإقلاع في العمليات الشتوية.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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ما هو سطح حرج؟
Any aircraft part essential for lift or control, including wings, control surfaces, and stabilizers, which must be clear of frost, ice, or snow for safe flight.
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