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Old 2nd Apr 2013, 23:39
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ImbracableCrunk
 
Join Date: Oct 2006
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B737 FMCS Perf Factors
I had a long maintenance delay last week and found two items in the Perf Factors menu in the FMCS:

F-F Factor and Drag Factor.

I'm guessing Drag Factor is for tweaking VNAV descents and F-F would be for fuel predictions.

Any info?
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