PPRuNe Forums - View Single Post - Heli ditch North Sea G-REDL: NOT condolences
Old 4th Apr 2009, 12:01
  #143 (permalink)  
GenuineHoverBug
 
Join Date: Jan 2005
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VHM, which could probably be described as a part of the "H" of the HUMS, is required at least in the UK and Norway.

And what is required is not just to fit the VHM, but to use it to monitor and discover problems in the gearbox/powertrain.
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