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Glossary - E

ECM	Electronic Counter Measures
EFIS	Electronic Flight Instrument System
EGT	Exhaust Gas Temperature
EICAS	Engine Indicating Crew Alerting System
elevator	Movable control surface to govern aircraft in pitch
elevon	Wing control surfaces, especially on tailless aircraft, with functions of elevators and ailerons
ELINT	Electronic Intelligence
ENG	Engine
EPR	Engine Pressure Ratio
EST	Estimated
ETA	Estimated Time of Arrival
ETOPS	Extended-Range Twin-Engine Operations
EW	Electronic Warfare
EXEC	Execute