757/767 Drag factor
Thread Starter
Joined: Sep 2003
Aviation Qualifications: ATPL
Posts: 956
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From: away from home
757/767 Drag factor
This may have been covered before, but here goes
On the Ident page on the 757/767 FMC there are 2 factors, Drag Factor and FF (Fuel Flow) factor. Now the FF I know how is found, but how is the Drag Factor found? Is it calculated by maintenance?, the result of flight tests as a sticker in one of our aircraft suggests or...
appreciate any info
regards,
Oceancrosser
On the Ident page on the 757/767 FMC there are 2 factors, Drag Factor and FF (Fuel Flow) factor. Now the FF I know how is found, but how is the Drag Factor found? Is it calculated by maintenance?, the result of flight tests as a sticker in one of our aircraft suggests or...
appreciate any info
regards,
Oceancrosser
Joined: Sep 1999
Posts: 5,552
Likes: 25
From: ME
The drag factor and fuel factors are derived from the Boeing aircraft performance monitoring program based upon trend analysis. The inputs for the program are collected either automatically through ACARS or by the crew completing a monitoring form.
Mutt
Mutt
