Definition
An electronic system that automatically manages an engine's operation by sensing parameters such as power lever position, ambient conditions, and engine performance, and then adjusting fuel flow and other variables to maintain the commanded power setting within safe operating limits.
Plain English
A computer that runs the engine. The pilot moves the throttle, and the EEC works out the right fuel flow and settings to deliver that power without exceeding any limits.
Context Anchor
Seen in turbine engine system descriptions, engine maintenance procedures, and cockpit discussions of electronically controlled engines.
Derivation
Straight description: 'electronic' (using electronic circuitry rather than mechanical linkages) 'engine control' (the system that manages engine operation). The name signals the shift away from purely mechanical fuel control units to computer-managed engines.
Why Pilots Care
It provides precise engine management, improved reliability, and reduced pilot workload in modern turbine and piston aircraft.
Analogy
Think of it like a smart controller between your hand and the engine. You ask for power, and the controller helps the engine deliver it safely.
Intuition Check
Do not confuse the EEC with the cockpit power lever. The pilot moves the lever; the EEC is the electronic system that helps the engine produce the commanded power safely.
Example Sentence 1
The EEC adjusts fuel flow automatically as the aircraft climbs, so the pilot does not need to lean the mixture by hand.
Example Sentence 2
During the preflight inspection the technician downloaded fault data from the EEC unit.