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Airframe APUs
Aircraft auxiliary power units (APUs) provide power to various systems when the main engines are not running. These units offer an efficient power supply for an aircraft, ensuring smooth operations and enhanced safety. Trusted manufacturers of APUs in aviation like Boeing, BAE Systems Controls Inc., and Honeywell guarantee quality and durable products meant to withstand the harsh conditions seen by aircraft. Browse our selection of aircraft APUs to find the perfect solution for your needs.2,944 results | Page 2 of 148
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Manual Drive Access Cover, Auxiliary Power Unit Inlet
The Boeing Company
Mfr Part# 353A4231-5
Auxiliary Power Unit Drain Dripshield Assembly Right-Hand Side
The Boeing Company
Mfr Part# 148T8691Y29
Aileron And Elevator Assembly, Power Control Unit
The Boeing Company
Mfr Part# 251A2160-2
Unit: Auxiliary Power, Electronic Control
Honeywell International Inc
Mfr Part# 70721384-1
Service Bulletin Top Kit - Auxiliary Power Unit Battery
The Boeing Company
Mfr Part# 036Z0449-3
Frequently Asked Questions
What is an APU in an aircraft?
An APU in an aircraft is a device that provides energy for functions other than propulsion, including powering hydraulic systems, air conditioning, and airframe electrical systems.
How does an aircraft APU work?
An APU in aviation works by generating electrical power, providing air for starting engines, and powering other systems when the main engines are off.
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