Thread: Rules of thumb
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Old 27th August 2008, 11:16   #8 (permalink)
Max Angle
 
Join Date: May 2001
Location: London,England
Posts: 883
Quote:
5 times your groundspeed is the VS you need on a 3 degrees glideslope example groundspeed is 150 times 5 is 750 feet per minute descent
Same answer, different working. Add a zero to the groundspeed and divide by 2. Much easier.
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