The power plant is one of the principal structural units of he airplane The power plant is a source of power. It provides power for flight and propels the airplane. The power plant contains an engine or engines and some systems The engine is the most essential part of the power plant. Its function is to provide thrust.
There are several types of aviation engines, namely: piston or internal combustion engines and jet engines. Jet engines are divided into three main groups: gas turbines, fan jets and rocket engines.
As for the systems they are the fuel system, oil system, engine control system, fire extinguishing system, cooling system and some others. ,,,
The function of the fuel system is to provide fueling, defueling, fuel jettisoning and fuel transfer.
The oil system serves for supplying oil to the engine and reducing friction between moving parts.
The engine control system is used to control the engine.
The fire-extinguishing system is used to detect and suppress lire The function of the cooling system is to protect the engine assembly and different systems from overheating.