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Various accessories powered by an aircraft's power plant:

 Various accessories powered by an aircraft's power plant:

Category

Accessory

Function

Electrical Systems

Generator/Alternator

Provides electrical power for the aircraft's systems and equipment.

Batteries

Stores electrical energy for starting engines and emergency power supply.

Inverters

Converts DC to AC power for AC systems.

Hydraulic Systems

Hydraulic Pumps

Powers landing gear, flight controls, brakes, and flaps.

Pneumatic Systems

Bleed Air System

Supplies pressurized air for cabin pressurization, air conditioning, and anti-icing systems.

Fuel Systems

Fuel Pumps

Transfers fuel from tanks to the engines.

Environmental Systems

Air Conditioning Compressors

Regulates cabin temperature and ventilation.

Cabin Pressurization System

Maintains breathable air pressure in the cabin.

De-Icing/Anti-Icing

Engine Anti-Icing System

Prevents ice formation on engine inlets.

Wing and Tail Anti-Icing System

Prevents ice accumulation on critical surfaces.

Engine Control Systems

Engine-Driven Accessories

Includes fuel control units, thrust reversers, and variable geometry controls.

Navigation and Avionics

Gyroscopic Instruments

Receives power for navigation and attitude control.

Radar and Communication Systems

Powered for situational awareness and communication.

Starting Systems

Starter Motor

Engages the engine to initiate rotation during start-up.

Cooling Systems

Oil Cooling System

Cools the engine oil to maintain safe operating temperatures.

This list encompasses the most common accessories, though specific configurations may vary by aircraft type and model.

 

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