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The Auxiliary Power Unit: What Is It & What Does It Do?
A source of electric power, air conditioning, and pneumatic pressure when the engines are off.
Aircraft Electrical Systems: Components & Troubleshooting
All electrical systems have provisions for failure monitoring and troubleshooting.
Fuel Cell Vs Gas Turbine: Comparing The Two Types Of Auxiliary Power Units
A fuel cell APU is completely noise-free and can be installed at any desired location on the aircraft.
Chill Out: How Airplane Air Conditioning Keeps You Cool
The air conditioning system is possibly one of the most complex systems in an aircraft.
