There is no greater concern among pilots and airplane owners today than the cost of fuel. Prices vary widely from airport to airport, but $5 is often on the low end and $7 a gallon is not the top. And in many instances jet fuel costs more than avgas, a reversal of traditional pricing. Fuel costs for most airplane owners have doubled in the past year and nobody can predict future trends, but higher prices sure seem more likely than lower.
What Is the Most Fuel-Efficient Airplane?
Key Takeaways:
- Rising fuel costs make "specific range" (miles per pound of fuel) a critical metric for aircraft efficiency, which always involves balancing speed, comfort, and range for a given mission.
- Piston aircraft efficiency is highly pilot-dependent, with large gains achieved by reducing speed, whereas turbine efficiency is complex, affected by altitude, temperature, weight, and aerodynamic factors like critical Mach.
- Both historical designs (e.g., Mooney 201) and modern jets are continually improving fuel efficiency through better aerodynamics and engines, allowing for greater range and higher speeds while optimizing specific range.
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