最近的一次是在上周，由于飞行员不能接通在值夜班时打瞌睡的领航员，一架搭载着一位病人的医务航班不得不自行在内华达降落。

The most recent was just last week when a medical flight carrying a sick patient had to land on its own in Nevada when the pilot couldn't get through to a snoozing controller on night duty.

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空勤人员，包括驾驶员、领航员、飞行机械人员、飞行通信员、乘务员；

Flight personnel, including pilots, navigators, flight engineers, flight radio operators and cabin attendants; and.

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他们对如何劫持飞机，杀死机组人员进行了周密的计划部署，甚至包括必须有他们做什么的的飞行员或领航员。

They used sophisticated tactics where they hijacked planes, killed the crew, and they had to have aviators or navigators who knew what they were doing.

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