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Old 9th Aug 2018, 5:26 pm   #13
M0FYA Andy
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Join Date: May 2007
Location: Preston, Lancashire, UK.
Posts: 2,510
Default Re: Air Ministry Wire Recorder

I wouldn't describe it as an early 'Black Box'. The purpose of the black box (which is usually bright orange!), Crash Recorder or Accident Data Recorder, is to record various flight parameters of the aircraft, and may also include the pilot's voice, for accident investigation purposes, whereas this unit is to allow a test pilot to record what is happening during a test flight verbally rather than on a note-pad on his knee.
Obviously, though, there is considerable overlap between these two functions, without a clear distinction.
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