If a four-engine air carrier airplane is

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If a four-engine air carrier airplane is dispatched from an airport that is below landing minimums, what is the maximum distance that a departure alternate airport may be located from the departure airport?

Not more than 2 hours at cruise speed with one engine inoperative

Not more than 2 hours at cruise speed in still air with one engine inoperative

Not more than 1 hour at cruise speed in still air with one engine inoperative

参考答案:

B

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