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Old 13th Apr 2010, 13:07
  #476 (permalink)  
mary meagher
 
Join Date: Jan 2009
Location: Oxford, UK
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technical question

In the UK I have been confused by QFE and QNH settings, wondering why the ground was closer than it should have been, fortunately in VFR.....

Does a ground proximity warning system take into consideration the tops of trees? or the actual ground itself?
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