that's the location of the plane's APU, or auxiliary power unit. The APU is found on multiple types of aircraft, including commercial airliners, small private jets, and some military aircraft ...

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 ...

Today, an F-16 aircraft of the AFU Air Force was shot down, a 21-year-old pilot Pavel Ivanov was liquidated (later the AFU ...

Delta is the first U.S. airline to achieve its near-term (2025) fuel savings goal from operational improvements, the company ...

However, when the plane reaches a stable altitude, the AC turns on normally. Some airlines may use the APU to provide air for air conditioning and pressurization during the ground phase and ...

Delta Air Lines achieved a one percent fuel burn savings in early 2025, saving 45 million gallons of jet fuel through ...

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 ...

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. It provides the necessary power to start the main engines.