AIRCRAFT ABBREVIATIONS

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E East
E/T Electrical Trim
Etio.Ag. Etiologic Agent
Expl. Explosive
EADI Electronic Attitude Director Indicator
EAROM Electrically Alterable Read Only Memory
EAS Equivalent Airspeed
EAT Expected Approach Time
EBS Engine Build Specification
EBU Engine Build-up Unit
EC Engine Control
ECAM Electronic Centralized Aircraft Monitoring
ECAM ECAM Data Book
ECB Electronic Control Box
ECDB Equipment Central Data Bank
ECM Engine Condition Monitoring
ECM Engineering Coordination Memo
ECMS Electrical Contactor Management System
ECMU Electrical Contactor Management Unit
ECN Engineering Change Note
ECON Economic
ECON Economy
ECP Ecam Control Panel
ECS Electronic Cooling System
ECS Environmental Control System
ECSB Embedded Computer System Bus
ECU Electronic Control Unit
ECUCV Electronic Control Unit Cooling Valve
ED Edge Distance
EDB ECAM Data Book
EDMC Engineering Drawing Microfilm Card
EDP Electronic Data Processing
EDP Engine Driven Pump
EDTA Ethylenediamine Tetraacetate
EE Electrical and Electronic
EEC Electronic Engine Control
EEC Engine Electronic Controller
EEPROM Electrically Eraseable Programmable Read Only Memory
EFCC Electronic Flight Control Computer
EFCS Electrical Flight Control System
EFCU Electrical Flight Control Unit
EFDARS Expandable Flight Data Acquisition and Recording Systems
EFF "Effective, Effectivity"
EFF "Effective,Effectivity"
EFIS Electronic Flight Instrument System
EFIS CP EFIS Control Panel
EFIS SGU EFIS Symbol Generator Unit
EFOB Estimated Fuel on Board
EG For Example
EGIU Electrical Generation Interface Unit
EGT Exhaust Gas Temperature
EHSI Electronic Horizontal Situation Indicator
EIS Electronic Instrument System
EIS Entry into Service
EIU Engine Interface Unit
EIVMU Engine Interface and Vibration Monitoring Unit
EL Equipment List
ELA Electrical Load Analysis
ELAC Elevator Aileron Computer
ELAPS Elapsed Time
ELC Electronic Library Computer
ELEC "Electric, Electrical, Electricity"
ELEK Electronic
ELEKS Electronics
ELEV "Elevation, Elevator"
ELS Electronic Library System
ELT Emergency Locator
ELV Elevation
EM Engine Manual
EMC Electromagnetic Compatibility
EMDB Electrical Main Data Bank
EMER Emergency
EMI Electromagnetic Interference
EMISN Emission
EMLS Emergency Lighting System
EMP Empennage
EMS Equipment Modification Sheet
EMU Engine Maintenance Unit
ENBL Enable
ENCD Encode
ENCDR Encoder
ENCL Enclosure
END Endurance
ENG Engine
ENG OUT Engine Out
ENGD Engaged
ENGR Engineer
ENP Estimated Normal Payload
ENRGZ Energize
ENT Entry
ENTR Entrance
ENV Envelope
EO Engine Out
EO Engineering Order
EO ACCEL A Engine Out Acceleration Altitude
EO THR RED Engine Out Thrust Reduction Speed
EOC Engineering Order Change
EOP End of Part
EOSID Engine Out Standard Instrument Departure
EOSID Engine Out SID
EOT End of Tape
EOT End Of Tape
EP Entry Panel
EPAC Entity per Aircraft Change
EPC External Power Contactor
EPD Extended Principle Diagram
EPGS Electrical Power Generation System
EPLD Electronically Programmable Logic Device
EPPT Electronic Performance
EPR Engine Pressure Ratio
EPR Exhaust Pressure Ratio
EPR.D EPR Descent
EPR.L EPR Latch
EPROM Erasable Programmable Read Only Memory
EPSU Emergency Power Supply Unit
EPU Emergency Power Unit
EQPT Equipment
ER Elevator Rib
ER Error Report
ER Extended Range
ERECT Erection
ERL Economic Repair Life
EROM Electronic Readout Machine
ERR Error
ERS Erase
ERS Erased
ERU Engine Relay Unit
ESC Escape
ESD Electro Sensitive Device
ESD Electro Static Discharge
ESD Electronic System Display
ESDB Element Standard Data Bank
ESDN Extended System/Structure Description Note
ESLB ECAM System Logic Book
ESP Electrical Standard Practices
ESS Essential
EST Estimated
ESWL Equivalent Single Wheel Load
ET Elapsed Time
ETA Estimated Time of Arrival
ETD Estimated Time of Departure
ETE Estimated Time En Route
ETO Estimated Time Over
ETOPS Extended Range Twin Engined Aircraft Operations
ETP Equal Time Point
ETS Equipment Technical Specification
EUPB Electronic Unit Protection Box
EV Electro Valve
EVAC Evacuation
EVMU Engine Vibration Monitoring Unit
EWD Engine/Warning Display
EWS Electronic Warning System
EXC "Excitation, Excite"
EXCD Excited
EXCESS Excessive
EXCG Exciting
EXCN Excitation
EXH Exhaust
EXP Expansion
EXT "Extend, Extension"
EXT "Exterior, External"
EXTC Extract
EXTCD Extracted
EXTCG Extracting
EXTG Extending
EXTIG Extinguishing
EXTIN Extinction
EXTING "Extinguishing, Extinguish"
EXTIR Extinguisher
EXTN Extension
EXTR Extractor
EXTR Extrusion
EXTRACT "Extraction, Extractor"
EZ Electrical Zero
EABDC Enhanced Aircraft Broadcast Data Collector
EBAS Engine Bleed Air System
EBCU Emergency Brake Control Unit
EBHA Electrical Backup Hydraulic Actuator
ECLS Electrical Cargo Loading system
EEPDC Emergency Electrical Power Distribution Center
EFF/FFU Electronic Flight Folder/Flight Follow-Up
EGMS Electrical Galley Management System
EGPWM Enhanced Ground Proximity Warning Module
EHA Electro-Hydrostatic Actuator
EHAC Electro-Hydrostatic Actuator Contactor
EHCU Electromechanical Handforce Control Unit
EHS Electrical Heater System
EIPM Engine Interface Power Management
EIPMU Engine Interface Power Management Unit
ELAN Ethernet Local Area Network
ELB Electronic Log Book
ELEVN Elevation
ELEVR Elevator
ELF Engineering support and data Link Function
ELM Electrical Load Management
ELMF Electrical Load Management Function
ELMS Electrical Load Management System
ELMU Electrical Load Management Unit
EMWS ElectroMechanical Window Shade
ENM Electrical Network Management
ENMF Electrical Network Management Function
ENMS Electrical Network Management System
ENVMOD Envelope Modulation
EPES Extraction Parachute Ejector System
EPESC Enhanced Passenger Entertainment System Controller
ERMM En Route Moving Map
ERP Enhanced Runaway Protection
ESB Electrical System BITE
ESBF Electrical System BITE Function
ESPM Electrical Standard Practices Manual
ESU Ethernet Switch Unit
ETACS External and Taxiing Aid Camera System
ETRAC Electronic Thrust Reverser Actuation Controller
ETRAS Electrical Thrust Reverser Actuation System
ETT Estimated Time for Takeoff
EX Example
EXCHG Exchange
EXCHGR Exchanger
EXSTG Existing
EL Electric
ELC Emergency Line Contactor
ELT Emergency Locator Transmitter
EMP Electric Motor Pump
EMU Engine Monitoring Unit
EWS Electrical Window Shades
EXTR Extreme
ECAM TC ECAM Temporary Change
EAPAS Enhanced Airworthiness Program for Aeroplane Systems
ECF Expanded Copper Foil
EFB Electronic Flight Bag
EHM Engine Health Monitoring
ELSD Electrical Load Sensing Device
EOS Electronic Overspeed System
ERAI Emergency Ram Air Inlet
ERG Electromechanical Release Gate
ESAO Essai Sol Assisté par Ordinateur
ETHNET Ethernet
EUAD European Union Airworthiness Directive
EWIS Electrical Wiring Interconnection System
EXDLS External Door Locking System
EXTNDD Extended
ETOPS Extended Range Operations for Two-Engine Aeroplanes

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