Long Haul

Décalage circadien

The difference between local time and a crew member's biological night, often considered in fatigue management and long-haul flight scheduling.

Quick answer: The difference between local time and a crew member's biological night, often considered in fatigue management and long-haul flight scheduling.

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Quick answer

The difference between local time and a crew member's biological night, often considered in fatigue management and long-haul flight scheduling.

Why it matters

Décalage circadien matters because it supports clear communication in Long Haul 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 Décalage circadien?

In this glossary, Décalage circadien refers to: The difference between local time and a crew member's biological night, often considered in fatigue management and long-haul flight scheduling.

How is Décalage circadien used in aviation?

In aviation communication, this term appears in contexts such as: "L’horaire de vol tient compte du décalage circadien pour minimiser la fatigue de l’équipage sur les secteurs transmériens."

Why does Décalage circadien matter in aviation?

Décalage circadien matters because it supports clear communication in Long Haul 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 Décalage circadien?

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

What category does Décalage circadien belong to?

In this glossary, Décalage circadien is grouped under Long Haul. 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 difference between local time and a crew member's biological night, often considered in fatigue management and long-haul flight scheduling.

Operational example

Flight schedule considers circadian offset to minimize crew fatigue on transmeridian sectors.

Localized term

Décalage circadien

Localized example

L’horaire de vol tient compte du décalage circadien pour minimiser la fatigue de l’équipage sur les secteurs transmériens.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Long Haul

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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