Originally Posted by
KingAir1978
This calculation is not correct, I'm afraid. The PENALTY is 180%. Therefore the total fuel used would be the fuel normally used PLUS the penalty. You have only calculated the penalty (6x1.8 = 10.8) The total fuel burn would thus be the 6 tonnes, PLUS the 10.8. = 16.8 tonnes. Also you may need to include the penalty for open gear doors of 15%. To be conservative just multiply the fuel-burn by 3.
It's scary to think how many pilots must be calculating it the wrong way after I taught them, right?
Last edited by iggy; 14th Feb 2023 at 17:11.
Reason: Rephrase for clarity