Aircraft Flight Operation Regulations Article 37-1

Flight time and flight duty period limitations of cabin crew:1. An operator may schedule a cabin crew to perform no more than 8 hours flight time and 12 hours flight duty period for domestic flights during any consecutive 24 hours. On international flights, a cabin crew may not perform more than 10 hours flight time and 14 hours flight duty period during any consecutive 24 hours. If domestic and international flights were scheduled during same duty period, then flight time limitation should follow that of international flight.2. Operator may extend such limitation set forth in international flights in the preceding paragraph with adequate cabin crew rostering when rest seats or sleeping berths are available. The extended flight time shall not exceed 16 hours and for flight duty period is 20 hours.Under an extraordinary event or circumstance beyond control (such as war, strike, riot, act of God, etc.), the limitations on flight time and flight duty period of cabin crew established in subparagraph 2 of the preceding paragraph could be exceeded. However, there is a maximum rostered hours limitation on flight time (18 hours) and flight duty period (24 hours) respectively.Cabin crew on flight duty of aircraft flown between two points which has a time zone difference of 6 hours or more and stay more than 48 hours in such different time zone, shall not be scheduled for another flight duty within 48 hours at the end of such flight, except if the next scheduled flight destination is in the same time zone as that of the previous flight or is within 3 hours time zone difference of the previous stop.Operator should lay down its procedures of in-flight cabin crew composition and in-flight relief in operations manual(s); the guidance for recording unusual conditions incorporated as part of the procedures.A total of cabin crew's flight time may not exceed 120 hours during consecutive 30 days.