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.
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P40 Panel Assembly-Service And Auxiliary Power Unit Shu
P40 Panel Assembly-Service And Auxiliary Power Unit Shu
The Boeing Company

Mfr Part#
284W8040-16

Panel Assembly-Service And Auxiliary Power Unit Shutdown
Panel Assembly-Service And Auxiliary Power Unit Shutdown
The Boeing Company

Mfr Part#
284W8040-13

P40 Panel Assembly-Service And Auxiliary Power Unit Shut
P40 Panel Assembly-Service And Auxiliary Power Unit Shut
The Boeing Company

Mfr Part#
284W8040-23

Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
The Boeing Company

Mfr Part#
284W8040-30

P40 Panel Assembly-Service And Auxiliary Power Unit Shut
P40 Panel Assembly-Service And Auxiliary Power Unit Shut
The Boeing Company

Mfr Part#
284W8040-27

P40 Panel Assembly-Service And Auxiliary Power Unit Shu
P40 Panel Assembly-Service And Auxiliary Power Unit Shu

Mfr Part#
284W8040-21

Panel Assembly-Service And Auxiliary Power Unit Shutdown
Panel Assembly-Service And Auxiliary Power Unit Shutdown

Mfr Part#
284W8040-15

P40 Panel Assembly-Service And Auxiliary Power Unit Shut
P40 Panel Assembly-Service And Auxiliary Power Unit Shut
The Boeing Company

Mfr Part#
284W8040-18

P40 Panel Assembly-Service And Auxiliary Power Unit Shut
P40 Panel Assembly-Service And Auxiliary Power Unit Shut
The Boeing Company

Mfr Part#
284W8040-19

Panel Installation Service & Auxiliary Power Unit Shutdown, P40
Panel Installation Service & Auxiliary Power Unit Shutdown, P40

Mfr Part#
284W8048-14

Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
The Boeing Company

Mfr Part#
284W8040-33

Housing Details-Service And Auxiliary Power Unit Shutdown
Housing Details-Service And Auxiliary Power Unit Shutdown
The Boeing Company

Mfr Part#
284W8042-15

Panel Installation-P40, Service and Auxiliary Power Unit Shut
Panel Installation-P40, Service and Auxiliary Power Unit Shut

Mfr Part#
284W8048-25#D

Panel Assembly-Service And Auxiliary Power Unit Shutdown
Panel Assembly-Service And Auxiliary Power Unit Shutdown

Mfr Part#
284W8040-38

Panel Assembly-Service And Auxiliary Power Unit Shutdown
Panel Assembly-Service And Auxiliary Power Unit Shutdown
The Boeing Company

Mfr Part#
284W8040-36

Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
Panel Assembly-P40, Service And Auxiliary Power Unit Shut Down
The Boeing Company

Mfr Part#
284W8040-32

Housing SSY-P40 Panel, Service And Auxiliary Power Unit
Housing SSY-P40 Panel, Service And Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8041-103

Panel Ssy-P40 Panel, Service And Auxiliary Power Unit
Panel Ssy-P40 Panel, Service And Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8041-713

Equipment System-P40 Panel, Service And Auxiliary Power Unit
Equipment System-P40 Panel, Service And Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8040-713

Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8041-710

Frequently Asked Questions

What is an APU in an aircraft?

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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?

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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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