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.

APU stands for auxiliary power unit, which is a small engine that “provides important electric power for aircraft systems and ...

The APU began to equip heavy kamikaze drones with FAB-250 high-explosive aerial bombs. This is reported by the telegram ...

The fire broke out in the back of the cabin, officials said. All 176 people on board, including passengers and crew members, ...

Kazakhstan's Ministry of Transport released a report with preliminary findings regarding the crash of an Azerbaijan Airlines ...

The fire reportedly started at around 10:15 p.m. the previous night (28th) from the rear of the aircraft, with speculation that it began in the auxiliary power unit (APU). However, during the ...