I need to wrap my head around how people run out of gas in airplanes.” Ive been saying that to myself (and my editor) for over a year, marveling at how almost half of all known engine failures are due to fuel mismanagement. Most of those result from fuel exhaustion: attempting to fly beyond the fueled range of the aircraft, or more simply, running out of gas. Very frequently the pilot almost makes it, landing just short of the planned destination. How could a pilot take off with less fuel than 288
The Psychology of Fuel Exhaustion
I need to wrap my head around how people run out of gas in airplanes." Ive been saying that to myself (and my editor) for over a year, marveling at how almost half of all known engine failures are due to fuel mismanagement. Most of those result from fuel exhaustion: attempting to fly beyond the fueled range of the aircraft, or more simply, running out of gas. Very frequently the pilot almost makes it, landing just short of the planned destination. How could a pilot take off with less fuel than needed to complete a trip? Shouldnt it be a pilot imperative to have enough fuel not just to meet the preflight planning requirements of FAR 91.151 or 91.167 as appropriate, but also to be certain there would always be enough fuel on board to make it safely to an airport, regardless of the conditions encountered en route?
Key Takeaways:
- Nearly half of all aircraft engine failures are due to fuel mismanagement, frequently stemming from pilot psychology rather than just poor pre-flight planning.
- Key psychological factors contributing to fuel exhaustion include commitment bias (feeling "locked in" to a destination), denial of actual conditions, and underestimating fuel burn at different altitudes.
- External pressures, such as online bravado or a desire to "prove mettle," can also lead pilots to dangerously push fuel limits, overflying safe diversion airports.
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