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Thread: An-148 missing after takeoff from Moscow
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Old 16th Feb 2018, 20:08
  #173 (permalink)  
wiedehopf
 
Join Date: Jul 2014
Location: Germany
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WHBM

gps is always ground speed. so no gps is not the solution.

you may lookup the airbus backup speed scale.

what may be feasible but still highly unreliable was a good wind data base in combination with gps.
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