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下降顶点

The calculated point along a flight path where the aircraft begins its planned descent from cruise altitude toward the destination, as programmed in the FMS.

Quick answer: The calculated point along a flight path where the aircraft begins its planned descent from cruise altitude toward the destination, as programmed in the FMS.

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Quick answer

The calculated point along a flight path where the aircraft begins its planned descent from cruise altitude toward the destination, as programmed in the FMS.

Why it matters

下降顶点 matters because it supports clear communication in Navigation 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 下降顶点?

In this glossary, 下降顶点 refers to: The calculated point along a flight path where the aircraft begins its planned descent from cruise altitude toward the destination, as programmed in the FMS.

How is 下降顶点 used in aviation?

In aviation communication, this term appears in contexts such as: "报告到达下降顶点并确认准备好获得下降许可。"

Why does 下降顶点 matter in aviation?

下降顶点 matters because it supports clear communication in Navigation 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 下降顶点?

下降顶点 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 下降顶点 belong to?

In this glossary, 下降顶点 is grouped under Navigation. 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 along a flight path where the aircraft begins its planned descent from cruise altitude toward the destination, as programmed in the FMS.

Operational example

Advise reaching top of descent and confirm readiness for descent clearance.

Localized term

下降顶点

Localized example

报告到达下降顶点并确认准备好获得下降许可。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Navigation

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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