ドリフトダウン手順とは？
ドリフトダウン手順 A contingency descent profile followed after an engine failure at cruise altitude to achieve the aircraft’s new single-engine ceiling while maintaining obstacle clearance.
Source: ICAO Doc 9432, FAA PCG
How is “ドリフトダウン手順” Used in Practice?
メイデー、エンジン1基停止、フライトレベル370からドリフトダウン手順を開始、障害物クリアランスを確保しつつドリフトダウンレベルまで降下します。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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ドリフトダウン手順とは？
A contingency descent profile followed after an engine failure at cruise altitude to achieve the aircraft’s new single-engine ceiling while maintaining obstacle clearance.
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