Aviation English
Flight Phase

จุดเริ่มต้นลดระดับ คืออะไร?

จุดเริ่มต้นลดระดับ The calculated point during cruise at which an aircraft initiates descent from cruising altitude toward destination, usually determined by onboard flight management systems.

Source: ICAO Doc 9432, FAA PCG

How is “จุดเริ่มต้นลดระดับ” Used in Practice?

นักบิน: ถึงจุดเริ่มต้นลดระดับแล้ว กำลังเริ่มลดระดับไป FL180 ตามที่ได้รับอนุญาต

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

จุดเริ่มต้นลดระดับ คืออะไร?

The calculated point during cruise at which an aircraft initiates descent from cruising altitude toward destination, usually determined by onboard flight management systems.

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