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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Aircraft Fire Extinguisher, Auxiliary Power Unit (Walter)
Aircraft Fire Extinguisher, Auxiliary Power Unit (Walter)
Kidde Technologies Inc

Mfr Part#
A820400-46

Light Assembly Indicator, Auxiliary Power Unit Fire
Light Assembly Indicator, Auxiliary Power Unit Fire
Grimes Aerospace Company

Mfr Part#
A8985-6

Shield-Heat, Honeywell-Garrett Auxiliary Power Unit Part.
Shield-Heat, Honeywell-Garrett Auxiliary Power Unit Part.

Mfr Part#
976129-19

Unit Assembly
Unit Assembly

Mfr Part#
9B84032-5

Unit Assembly
Unit Assembly
Innovative Solutions and Support

Mfr Part#
9D84031-5

Upper Auxiliary Chord
Upper Auxiliary Chord
The Boeing Company

Mfr Part#
314W1449U1

Upper Auxiliary Chord-Aft Bulkhead, In
Upper Auxiliary Chord-Aft Bulkhead, In
The Boeing Company

Mfr Part#
314W1449-1

Panel Assembly Power Supply Unit
Panel Assembly Power Supply Unit

Mfr Part#
417N3033-28B

PSU Support, Overhead Stowage, Aluminum
PSU Support, Overhead Stowage, Aluminum

Mfr Part#
412N1147-1

Shutoff Auxiliary Power Unit Fuel Feed Line
Shutoff Auxiliary Power Unit Fuel Feed Line

Mfr Part#
60051

Auxiliary Table
Auxiliary Table

Mfr Part#
60930

Auxiliary Power Unit Oil Quantity Indicator
Auxiliary Power Unit Oil Quantity Indicator

Mfr Part#
60B00126-10

Auxiliary Power Unit Exhaust Gas Temperature Indicator
Auxiliary Power Unit Exhaust Gas Temperature Indicator

Mfr Part#
60B00126-9

Auxiliary Power Unit Tach Indicator
Auxiliary Power Unit Tach Indicator
Solartron Electronics Inc

Mfr Part#
60B00126-13

Auxiliary Power Unit Tach Indicator
Auxiliary Power Unit Tach Indicator

Mfr Part#
60B00126-4

Auxiliary Power Unit Start Transformer Rectifier Unit
Auxiliary Power Unit Start Transformer Rectifier Unit

Mfr Part#
60B40104-2

Volt Averaging Unit
Volt Averaging Unit

Mfr Part#
60B40085-4

Check Valve - Auxiliary Power Unit
Check Valve - Auxiliary Power Unit

Mfr Part#
60B40031-9

Volt Averaging Unit
Volt Averaging Unit

Mfr Part#
60B40085-2

Auxiliary Power Unit Check Valve
Auxiliary Power Unit Check Valve

Mfr Part#
60B40031-8

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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