[Q] Required Fuel or trip fuel

From:         Upul Abayasingha <b.u.abayasingha@cranfield.ac.uk>
Organization: cranfield university
Date:         23 May 96 10:05:39 
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Hi ..
I would like to know how the airlines calculate required fuel for a given
jouney including reseve fuel, for long-haul flights . I know little bit
about the theory using engine SFC.  etc...  How accurate is this method
and what kind of safty factor airlines use? Is there any books regarding
this matter, and any softwear available ?


Upul Abayasingha
Cranfield University	      E-mail: b.u.abayasingha@cranfield.ac.uk