Many passengers wonder why the temperature on an airplane is relatively low. Those who enjoyed warm vacations in sunny ...

Many passengers wonder why the temperature on the aeroplane is relatively low. Those who have enjoyed warm holidays in sunny ...

It's called the auxiliary power unit, and it's the smallest engine on the plane. But that doesn't mean it serves a small purpose. It provides the necessary power to start the plane's engines and ...

Ground support equipment plays a crucial role in aviation operations by ensuring aircraft functionality during non-flight periods. Without proper ground support infrastructure, aircraft cannot safely ...

Its on-board Auxiliary Power Unit provides engine-starting capability and ground power self-sufficiency in remote areas. Originally derived from the E-2C Hawkeye and first fielded in 1965 ...

But there's another engine hidden int he back of the tail. Called the auxiliary power unit (APU) It's the smallest engine on a plane. But you could say it's the most important one of all.