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During a rapid decompression in a two-crew aircraft, the other pilot becomes incapacitated. Your first action is to..
  • A
    call for immediate assistance from cabin crew.
  • B
    administer oxygen to the other pilot.
  • C
    don your own oxygen mask.
  • D
    commence an emergency descent.
First priority is always to don your own oxygen mask because during a rapid decompression, Time of Useful Consciousness (TUC) can be extremely short and you are likely to blackout. If you run out of oxygen yourself, you can't help anyone else with their oxygen mask.

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