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A voice recording of an incident is always available after the aircraft lands. Is this correct?

  • A.No, it is overwritten once the retention period elapses
  • B.Yes, the recording is permanent
  • C.Yes, provided the aircraft is powered down
  • D.No, because the recorder stops in flight

Answer: A

Correct answer: No, it is overwritten once the retention period elapses

The voice recorder writes on a loop, holding only the most recent interval. A flight longer than the retention period leaves its earliest part already overwritten by the time the aircraft lands.

Longer sectors made the old 30-minute requirement plainly inadequate, which is why retention grew to two hours and, on new types, to 25. The recorder runs throughout the flight, so the fourth option is wrong; what it does not do is keep everything.

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