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Old 18th June 2012 | 09:14
  #23 (permalink)  
Capn Bloggs
 
Joined: Mar 2002
: ATPL
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From: Seat 1A
initial rate of descent is approximately 5 times your groundspeed in knots...Apch groundspeed 140 knots...your initial descent rate 700 fpm...
I find halving your groundspeed (and adding zeros) easier. 140=7(00). If you have the luxury of an "live" GS, a 3° slope is still ½ your GS.
Last edited by Capn Bloggs; 18th June 2012 at 09:46.
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