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Flight Phase

จุดเริ่มต้นลดระดับ

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

Quick answer: 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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Quick answer

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

Why it matters

จุดเริ่มต้นลดระดับ matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is จุดเริ่มต้นลดระดับ?

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

How is จุดเริ่มต้นลดระดับ used in aviation?

In aviation communication, this term appears in contexts such as: "นักบิน: ถึงจุดเริ่มต้นลดระดับแล้ว กำลังเริ่มลดระดับไป FL180 ตามที่ได้รับอนุญาต"

Why does จุดเริ่มต้นลดระดับ matter in aviation?

จุดเริ่มต้นลดระดับ matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses จุดเริ่มต้นลดระดับ?

จุดเริ่มต้นลดระดับ is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does จุดเริ่มต้นลดระดับ belong to?

In this glossary, จุดเริ่มต้นลดระดับ is grouped under Flight Phase. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

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

Operational example

Pilot: We have reached top of descent, commencing descent to flight level one eight zero as cleared.

Localized term

จุดเริ่มต้นลดระดับ

Localized example

นักบิน: ถึงจุดเริ่มต้นลดระดับแล้ว กำลังเริ่มลดระดับไป FL180 ตามที่ได้รับอนุญาต

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Flight Phase

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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