Plain English Meaning
A fire in or near the engine. It is an emergency. The pilot follows the airplane's checklist to cut off fuel and electrical power to starve the fire, then lands as quickly as safely possible.
Full Definition
An in-flight or on-ground fire originating in or around the airplane's engine compartment, typically caused by a fuel or oil leak contacting hot engine surfaces, an induction system backfire during start, or an electrical short. An engine fire is a time-critical emergency requiring immediate action per the manufacturer's emergency checklist, which generally involves shutting off fuel to the engine, cutting electrical power, and landing as soon as possible.
Context Anchor
Encountered in emergency checklists and training scenarios for engine start, , in-flight , and shutdown.