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Old 23rd April 2010 | 16:01
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shockwave1973
 
Joined: Apr 2007
Posts: 8
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From: asia
VNAV Descent Speed Planning?
May someone please help to let me comprehend why VNAV will not command an economy target speed greater than 349 knots (VMO/MMO minus 16) or a pilot entered speed greater than 354 knots ( VMO/MMO minus 11) on the B747-400? I do not understand the logic behind it. Thanks in advance!
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