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Thread: Easiest way to calculate top of descent point
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Old 27th Apr 2008, 16:26
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mini-jumbo
 
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Rate of descent required to achieve this is 5 x groundspeed
Or 1/2 your groundspeed and add a 0, you'll get the same answer. Depends what you find easier.

For example, 250kts divide by 2 = 125 , 1250ft/min.
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