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Flight Phase

Début de descente

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

Début de descente 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 Début de descente?

In this glossary, Début de descente 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 Début de descente used in aviation?

In aviation communication, this term appears in contexts such as: "Pilote : Nous avons atteint le début de descente, commençons la descente au niveau un huit zéro autorisé."

Why does Début de descente matter in aviation?

Début de descente 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 Début de descente?

Début de descente is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Début de descente belong to?

In this glossary, Début de descente 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

Début de descente

Localized example

Pilote : Nous avons atteint le début de descente, commençons la descente au niveau un huit zéro autorisé.

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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