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A300-600R Fuel Use

MD82
in Systems

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Hello Ini,

I have noticed for some time now a discrepancy in fuel planned and fuel used. Today I am investigating. So, I opened up an A300-600 FCOM and went to the cruise performance tables. While cruising at 140.000 kg at FL330 in ISA+10, I interpolated a cruise fuel flow of 6.983 lbs/hr. On the gauges in the cockpit, I can read around 6.150 lbs/hr. In other words, around 13% less. Now this was a spot measurement, and more tests have to be carried out, however in any case the fuel flow seems a little frugal for these engines.

I was curious if you show different data or if you know that extensive testing has already been done to match these figures. I crunched out OFP's in both PFPX and SimBrief and in both I am using less fuel than planned.

 

Regards,

 

Xander

  • Author

Disregard above as my % reference is a B4 model. However, the difference in trip fuel remains.

    • Like 1
    • Author

    That's correct. But now I have no official reference. So you can close this as I can't officially verify.

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