Aviation English
Long Haul

Qu'est-ce que Horloge biologique ?

Horloge biologique The natural internal time-keeping system that regulates physiological activities, directly affecting crew alertness and fatigue during time zone changes and long-haul operations.

Source: ICAO Doc 9432, FAA PCG

How is “Horloge biologique” Used in Practice?

Les horaires de service de l’équipage sont programmés en tenant compte de l’horloge biologique pour minimiser la fatigue et optimiser la vigilance.

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

Qu'est-ce que Horloge biologique ?

The natural internal time-keeping system that regulates physiological activities, directly affecting crew alertness and fatigue during time zone changes and long-haul operations.

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