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Thread: When does FMC command aircraft to slow down?
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Old 12th Apr 2018, 08:26
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wiggy
 
Join Date: Feb 2001
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Originally Posted by extricate
Exactly, that was what I faced, it seems to me that FMS starts decelerating at the very last moment when i'm about to intervene.. I've asked around, it seems to be that FMS starts decelerating about 1.5nm per 10kts prior to the waypoint?

Any thoughts?
777, average weight, nil wind, level descent at the start of the pattern..A ball park 1 to 1 1/2 nm per 10 knots has always worked pretty much ok for me..if the FMC "wants" a bit more I wouldn't be upset.
Last edited by wiggy; 12th Apr 2018 at 08:39.
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