Originally Posted by
Luc Lion
Slightly off topic but does anyone know why the final reserve is 30 minutes for IFR in a turbine aircraft (or in day VFR) while it is 45 minutes for IFR in a piston aircraft (or in night VFR).
This difference is independent of the number of engines, number of crew members, speed of the aircraft, etc.
I fail to understand what makes the situation of an out-of-fuel piston aircraft more critical than the situation of an out-of-fuel turbine aircraft.
Is it to do with the fact that turbine aircraft tend to have more accurate fuel gauges?