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Old 12th Jan 2016, 11:49
  #6 (permalink)  
DaveReidUK
 
Join Date: Jan 2008
Location: Reading, UK
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Usually it is much easier to get a GPS signal inside the cabin than in the flightdeck
Given that, I see no reason why the position and speed readouts shouldn't be reasonably accurate.

Speed will of course be groundspeed rather than TAS.
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