The Auxiliary Power Unit, or simply the APU, is a small hidden engine that plays a key role in aircraft operations. The new Boeing 737 MAX models have some significant changes compared to the widely ...

If you've ever noticed a little exhaust hole at the rear of a large passenger plane and wondered what it was, that's the location of the plane's APU, or auxiliary power unit. The APU is found on ...

The aircraft exhaust system market is segmented based on system type into engine exhaust systems and Auxiliary Power Unit (APU) exhaust systems. The engine exhaust system segment is set to grow ...

Smoke billowed from plane exhaust at an airport in Afghanistan ... emitting thick smoke from the auxiliary power unit (APU) exhaust at Kabul International Airport on December 6, around 8:02 ...

Credit: Lufthansa Technik Encased in the tail cone of commercial, business, and military aircraft ... exhaust gas temperature,” he says. “That is a good indicator as to how well the APU ...

If you've ever wondered what the opening at the end of the fuselage is, you were likely looking at the exhaust for the APU. Air from the engine is removed constantly as it generates power for the ...

In most commercial airliners, the APU is situated in the tail cone area, near the empennage of the aircraft. This positioning allows for efficient exhaust and minimizes the impact of noise and ...