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Glossary
— E EAA Experimental Aircraft Association (divided into local branches called Chapters). EADS European Aeronautic and
Deence Systems Company. EAP Experimental Aircraft Programme. (Led to the
Eurofighter). EAS Equivalent airspeed. RAS minus correction for compressibility. ECCM Electronic counter-countermeasures. ECM Electronic countermeasures. ECR Electronic Combat and Reconnaissance
(Variant of Tornado). ECS Environmental
control system. EEZ Economic
exclusion (or exclusive-economic) zone. EFIS
Electronic flight instrumentation system, in which large multifunction CRT displays replace traditional instruments. EGPWS Enhanced ground proximity warning system. EGT Exhaust gas temperature. ehp Equivalent
horsepower, measure of propulsive power of turboprop made up of slip plus
addition due to residual
thrust from jet. EICAS Engine indication (and) crew alerting system. ekW Equivalent kilowatts, SI measure of propulsive power of turboprop (see ehp). elevon Wing trailing-edge control surface combining functions of aileron and elevator. elint
electronics intelligence. ELT Emergency
locator transmitter, to help rescuers home on to a disabled or crashed
aircraft. EMD Engineering and manufacturing development. EMBRAER EMpresa BRasiliera
de AERonautica (Brazil). ENAER Empresa Nacional de AERonautica
(Chile). EO Electro-optical. EPNdB Effective perceived noise decibel, SI unit of EPNL. ERU Ejector
release unit. ESM (1)
Electronic surveillance (or support) measures; (2) Electronic signal monitoring. ESSS External Stores Support
System (for S-70A/UH-60). ETOPS
Extended-range twin (engine) operations (thus sometimes given as EROPS), routeing not more than a given flight time (120, 180 or 240 minutes) from a
usable alternative airfield. EW Electronic
warfare. EWO Electronic Warfare Officer |
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