Alphabetical Index of Abbreviations ~ E

Click on the appropriate first letter of the abbreviation that you require

E	East
E & OE	Errors and omissions excepted
E & SS	Emergency and support services
E x N	East by north
E x S	East by south
e´ly	Easterly
EA	Emergency action
EAC	Expected approach clearance
EANPG	European Air Navigation Planning Group (ICAO)
EAP	Experimental aircraft programme
EAS	Equivalent air speed
EAT	Estimated approach time
EATCHIP	European ATC harmonisation and implementation programme
EATMS	European air traffic management system
EAU	Emergency action unit
EBCD	Extended binary-coded decimal
EBI	Equivalent background illumination
EBM	Electronic bearing marker
EC	Electronic combat
	European Community
ECA	Experimental combat aircraft
ECAC	European Civil Aviation Conference
ECAM	Electronic centralised aircraft monitor
ECC	Equipment capability customer
	Error correction code
ECCM	Electronic counter-counter-measures
ECDIS	Electronic chart display and information system
ech	Echelon
ECL	Emitter-coupled logic
ECM	Electronic counter-measures
ECR	European collaborative radar
ECS	Electronic chart system
	Environmental control system
ECU	Engine change unit
	European currency unit
ED	Existence doubtful (nav)
EDD-F	Flight data electronic data display
EDD-S	Static data electronic data display
EDDS	Electronic data display system
EDDUS	Electronic data display and update system
EDI	Electronic data interchange
EDIFACT	Electronic data interchange for administration, commerce and transport
EDIP	European defence improvement programme
EDM	Electrical discharge machinery
	Engineering data management
EDP	Electronic data processing
	Emergency defence plan
EDS	Explosives detection system
EDTV	Enhanced definition television
EEC	European Economic Community
EED	Electro-explosive device
EEI	Essential element of information
EER	Evacuation, escape and rescue
EEZ	Exclusive economic zone
EFA	European fighter aircraft
EFCS	Electronic flight control system
	Enhanced fire control system
EFIS	Electronic flight instrument system
EFZ	Extended fisheries zone
eg	exempli gratia (for example)
EGT	Exhaust gas temperature
EHF	Extremely high frequency
EHIP	European Hawk improvement programme
EHT	Extra-high tension
	Extremely high tension
EIDE	Enhanced integrated drive electronics
EIG	Exchange information group
EIRP	Effective isotropic radiated power (satellite)
	Equivalent isotropic radiated power
ELAC	Elevator and aileron computer
ELD	Electro-luminescent display
elev	Elevation
ELF	Extremely low frequency
elint	Electronic intelligence
ELSA	Emergency life support apparatus
ELSBM	Exposed location single-buoy mooring
ELT	Emergency locator transmitter
EM	Electro-magnetic
emb	Embarkation
EMC	Electro-magnetic compatibility
emcon	Emission control
EMDA	Emergency distance available
EME	Electrical and Mechanical Engineers
emerops	Emergency operations
EMF	Electro-motive force
EMI	Electro-magnetic interference
EMIDS	Experiment for the management of information data system
EMP	Electro-magnetic pulse
EMPAR	European multi-function phased-array radar
EMPP	Electro-magnetic pulse protection
EMSI	European manned space infrastructure
emy	Emergency
en	Enemy
EN	European Norm
	European Standard
ENC	Electronic nautical chart
	Electronic navigation chart
encl	Enclosure
ENE	East-north-east
engr	Engineer
ENSO	El Niño southern oscillation
EOB	Enemy order of battle
EOD	Explosive ordnance disposal
EOF	Essential operating facilities
EOP	End of passage
EOR	Explosive ordnance reconnaissance
EOV	End of vectoring (ATC)
EOW	Engineering order wire
EP	Effective power
	Estimated position (nav)
EPC	Equipment policy committee
EPIRB	Emergency position-indicating radio beacon
EPM	Electronic protective measures
EPOS	Electronic point of sale
EPR	Engine pressure ratio (gas turbine)
EPROM	Electrically field-programmable read-only memory
	Erasable programmable read-only memory (computer)
EPS	Exercise planning staff
EPU	Electronic power unit
EPW	Earth penetrator weapon (or warhead)
eqpt	Equipment
ER	Engine room
ERCS	ECM-resistant communications system
ERIS	Exoatmospheric re-entry vehicle interceptor sub-system (USA, SDI)
ERM	Electronic records management
ERP	Effective radiated power
	Enterprise resource planning
ERS	Emergency relocation site
ERT	Execution reference time
ERU	Ejector release unit
ERW	Enhanced radiation weapon
ES	Edison screw (lamp socket)
ESA	European Space Agency
ESD	Echo sounding device
	Electrostatic discharge
ESE	East-south-east
ESGM	Electrostatically supported gyro monitor
ESM	Electronic support measures
ESOC	European Space Operations Centre
ESPRIT	European Strategic Programmes of Research and Development in Information Technology
ESS	Equipment service schedule
est	Estimated
EST	European standard time
ET	Emerging technologies
et seq	et sequens (the following)
ETA	Estimated time of arrival
ETD	Estimated time of departure
ETO	Estimated time over
ETOPS	Extended twin operations
ETR	Estimated time of return
ETSI	European Telecommunications Standards Institute
EUA	European unit of account
EW	Early warning
	Electronic warfare
EWDT	Early warning data transmission
EWR	Early warning radar
EWRS	Early warning reporting system
ex	Exercise