The maximum flight duty limits for any operating air crew in a period is limited to prevent the stress caused by the lack of sleep and provide the crew with maximum rest, since it is found in the recent studies that the stress has profound negative effect on the human performance, specially when they are exposed to unnatural environment such as flying.
The ICAO has set the maximum flight timings for an Aircrew to fly in a given period of time, they are as follows-
| 8 HOURS |
– |
24 HOURS |
| 30 HOURS |
– |
1 Week |
| 125 HOURS |
– |
ONE MONTH |
| 270 HOURS |
– |
90 DAYS |
| 1000 HOURS |
– |
1 Year |
These Flight Duty Time Limitations are applicable for Commanders, flight time flown as a Co-Pilot is counted as 80 % for this rule.
The flight duty timings are relaxable upto 4 hours of flying in special cases, and not more than 8 hours in any case.
Note- If a Pilot has operated a flight between 0000 hrs and 0500 hours local time, he cannot operate a flight the next day between 0000 hrs and 0500 hours in any capacity.
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