Aviation & Aeronautics
Basic
Fuel Required
Total fuel needed is the fuel-burn rate multiplied by flight time.
Formula
Variables
FFuel (gal/lb)
\dot{f}Fuel flow rate
tTime (h)
Example
10 gal/h for 2.5 h: F = 25 gal
Did You Know?
Regulations require aircraft to carry reserve fuel beyond the trip — running the tanks dry is never an option.