Definition
The engines installed on an aircraft, together with the systems and components that allow them to produce thrust or propeller power. In general aviation, this most commonly refers to reciprocating or turbine engines along with their accessories such as the carburetor or fuel injection system, ignition system, oil system, and cooling system.
Plain English
The aircraft's engine or engines, including the parts that make them run.
Context Anchor
Seen in aircraft systems, maintenance, preflight, and training discussions about how an aircraft is powered.
Derivation
From the industrial term 'power plant,' originally meaning a facility that produces power (like an electrical power plant). Applied to aircraft, the engine is the 'plant' that produces the power needed for flight.
Why Pilots Care
Understanding the power plant is central to safe operation. Engine handling, monitoring, and emergency response all depend on knowing how the power plant works and what its limits are.
Intuition Check
Do not read power plants as electric generating stations. In aviation, power plants means the aircraft’s engine or engines and the equipment that helps them run.
Example Sentence 1
The student studied the aircraft's power plant section before the systems oral exam.
Example Sentence 2
The instructor explained how different power plants affect climb performance and fuel consumption.