Aviation Maintenance Terms beginning with E

EADI

Electronic Attitude Director Indicator.

ECAM

Electronic Centralized Aircraft Monitor.

EFIS

Electronic Flight Instrument System.

EHSI

Electronic Horizontal Situation Indicator.

EICAS

Engine Indicating and Crew Alerting System.

ELT (emergency locator transmitter)

A self-contained radio transmitter that automatically begins transmitting on the emergency frequencies any time it is triggered by a severe impact parallel to the longitudinal axis of the aircraft.

EMI

Electromagnetic interference.