What is Biological Clock?
In this glossary, Biological Clock refers to: The natural internal time-keeping system that regulates physiological activities, directly affecting crew alertness and fatigue during time zone changes and long-haul operations.
How is Biological Clock used in aviation?
In aviation communication, this term appears in contexts such as: "Crew duty times are scheduled in accordance with biological clock considerations to minimize fatigue and optimize alertness."
Why does Biological Clock matter in aviation?
Biological Clock 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 Biological Clock?
Biological Clock is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Biological Clock belong to?
In this glossary, Biological Clock 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.
