PMDG 737NGX 0.00.37
TUTORIAL #2
For Simulator Use Only DO NOT DUPLICATE 27FEB15 RTM
FUEL PLANNING
First off, if you aren’t interested in learning this detailed procedure, a good
simple estimate is to take the length of your flight and then add around
2200 lbs (1000 kg) per 100nm. Then add around 5500 lbs (2500 kg) for
reserves.
This flight is around 450 nm, so there are effectively 4.5 100nm legs.
4.5 x 2200 lbs = 9900 lbs
(4.5 x 1000 kg = 4500 kg)
9900 lbs + 5500 lbs = 15400 lbs
(4500 kg + 2500 kg = 7000 kg)
Remember that this is just an estimate and can be significantly wrong on
flights involving a long distance to the alternate.
Let’s now continue with the detailed procedure – you may want to pause
P3D while we go through these calculations.
We’re going to break the fuel calculations up into two basic parts – the
main route of the flight from Amsterdam to Innsbruck and then the
potential diversion from Innsbruck to our alternate in Munich, Germany.
The formula for the main route is:
Trip fuel + contingency fuel + taxi fuel + extra
The formula for the alternate diversion route is:
Trip fuel + contingency fuel + holding fuel
Add the results of these two parts together, round up to the nearest 500
lbs or kg and we’ll have the amount we actually want loaded in the
airplane’s tanks.
Main route:
Trip fuel:
This is how much fuel we actually need in the air from EHAM to LOWI.
We’ll get this from the FMC PROGRESS page and a bit of basic
arithmetic.
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