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Old 14th Oct 2009, 19:45
  #22 (permalink)  
Rocketier
 
Join Date: Oct 2009
Location: Pinchbeck
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Rule of Thumb
Hi all
Thanks for all your responses,

I have one for you, if its any use.

To quickly determine NM per minute, round your airspeed to the nearest 10, drop the zero and divide by 6.

Example TAS =178KTS = 180knots

Drop the zero and divide by 6:
18 divided by 6 = 3NM per minute
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