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短语

extended twin-engine operations

航空, 加拿大 opérations de bimoteurs avec distance de vol prolongée
 英语 词库
extended twin-engine operation
航空 Any flight by an aeroplane with two turbine power-units where the flight time at the one power-unit inoperative cruise speed in ISA and still air conditions, from a point on the route to an adequate alternate aerodrome, is greater than the threshold time approved by the State of the Operator.
extended twin-engine operations
: 3 短语, 2 学科
航空2
运输1