The anatomy of a commercial flight – all you ever wanted to know: Part two
Aerotime
DECEMBER 20, 2024
Jet (and turboprop) turbine engines work more efficiently, and burn less fuel, at higher altitudes where the air is less dense. The touchdown speed will have already been calculated using a combination of aircraft weight, length of runway in use, and prevailing conditions. Hence, the flight will use less fuel at higher altitudes.
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