Oli
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Joined: Mon Jun 20, 2005 5:43 pm

Question FMS Fokker F100

Wed Nov 02, 2011 8:09 am

Hi,

I have a question regarding the F100 flight computer - the InitB page, in which you enter the weight of the aircraft and the fuel quantity is available only when the engines are off.

Is it some kind of safety features to prevent editing those numbers in flight, or is there another reason?

Thanks for your answers,

Olivier
 
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Jetlagged
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RE: Question FMS Fokker F100

Wed Nov 02, 2011 5:49 pm

There should be no need to edit FMC weights in flight and it could be unsafe to do so. Thus it's logical that the INIT B page is inhibited once the engines are running and therefore weight is changing. Airbus uses the same philosophy on their FMCs, though if gross weight has not been initialised before engine start it's possible to enter it via the fuel prediction page. I don't know whether the Fokker 100 FMC has the same possibility on it's FUEL PRED page.
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airbuster
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RE: Question FMS Fokker F100

Fri Nov 04, 2011 11:07 pm

It's exactly the same as you described jetlagged for the F70/100. The fms used is the same as on the A300/310 and the forerunner of the newer versions.
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