ما هو سحابة عدسية ثابتة؟
سحابة عدسية ثابتة A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.
Source: ICAO Doc 9432, FAA PCG
How is “سحابة عدسية ثابتة” Used in Practice?
إخطار جميع الطائرات عن وجود سحابة عدسية ثابتة على ارتفاع طيران ١٢٠ جنوب المطار؛ من المتوقع حدوث اضطرابات.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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ما هو سحابة عدسية ثابتة؟
A smooth, lens-shaped cloud that forms at high altitudes in the crest of mountain waves; often stationary, and indicative of significant atmospheric turbulence downwind of mountain ranges.
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