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Old 10th Jul 2013, 02:05
  #17 (permalink)  
pilot and apprentice
Join Date: Oct 2012
Location: Canada
Age: 50
Posts: 215
A simple answer for the OP: a good rule of thumb is a 4:1 glide ratio in a helicopter (not perfect but close enough). So to glide 1 nm you need 1/4 nm, or roughly 1500', of altitude.

Given the use of terms, like 'impact' and 'hopefully surviving' I assumed you do not fly helicopters. Some glide better, some worse, but the biggest deciding factor will be pilot actions.

Last edited by pilot and apprentice; 10th Jul 2013 at 05:06.
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