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extended twin-engine operations

avia., Canada opérations de bimoteurs avec distance de vol prolongée
 English thesaurus
extended twin-engine operation
avia. 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 phrases in 2 subjects
Aviation2
Transport1

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