DTM Demonstration.Test.Milestone
DTPDU Data.Protocol.Data.Unit
DTU Data.Transfer.Unit
DU Display.Unit
Dual Mode DME An.airborne.DMERT.capable.of.processing.. DME/N.and.DME/P.ground.station.signals..
Operation is in the L-band frequency range.
DUAT Direct.User.Access.Terminal
Duplex A.communication.operation.that.uses.the. simultaneous.operation.of.the.transmit.and.
receive equipment at two locations.
DVF Demonstration.and.Validation.Facility DVI Digital.Visual.Interface DVM Digital.Voltmeter DWAN Direct.WAN DX Distance Dynamic Dynamic.Pressure.is.the.difference.between.pitot.
Pressure and.static.pressure.
Dynamic RAM RAM.constructed.of.capacitor.elements..Memory. cells.must.be.periodically.refreshed.to.keep. capacitors.from.discharging.and.losing.data... (See.“Static.RAM”).
E (.1.).East..
(.2.).Elevator
EAA Experimental.Aircraft.Association
EADI Electronic.Attitude.Director.Indicator
EAFR Enhanced.Airborne.Flight.Recorder EAI Engine.Anti-Ice EAP Engine.Alert.Processor EAROM Electrically Alterable ROM EARS Engineering.Activity.Reporting.System EARTS En.route.Automated.Radar.Tracking.System EAS Equivalent Airspeed EASA Europeon.Aviation.Safety.Agency EASIE Enhanced.ATM.and.Mode.S.Implementation.in.
Europe
EATCHIP European Air Traffic Control Harmonization and
Integration.Programme
EATMS European Air Traffic Management Systems
EBACE European.Business.Aviation.Convention.and.
Exhibition
EC Event.Criterion
ECAC European.Civil.Aviation.Conference
ECAM Electronic.Caution.Alert.Module
ECARS Enhanced.ACARS
ECEF Earth-Centered,.Earth-Fixed
Echo The portion of the radiated energy reflected back
to.the.antenna.from.the.target.(WXR).
ECL Electronic.Checklist
ECM Electronic.Control.Module
ECMP Electronic.Component.Management.System
ECON Economy.(minimum.cost.speed.schedule)
ECP EICAS.Control.Panel
ECS (.1.).Engineering.Compiler.System..An.automated. data.storage.system... (.2.).Environmental.Control.System..
( 3 ) Event Criterion Subfield
ECSL Left.Environmental.Control.System.Card ECSMC ECS.Miscellaneous.Card
ECSR Right.Environmental.Control.System.Card ECU (.1.).EICAS.Control.Unit.. (.2.).Electronic.Control.Unit..
(.3.).External.Compensation.Unit ED EICAS.Display E/D End-of-Descent EDA Electronic.Design.Automation EDAC Error.Detection.and.Correction.(used.
interchangeably.with.EDC) EDC Error.Detection.and.Correction EDDS Electronic.Document.Distribution.Service EDFCS Electronic.Digital.Flight.Control.System EDI Engine.Data.Interface EDIF Engine.Data.Interface.Function EDIU Engine.Data.Interface.Unit EDMS Electronic.Data.Management.System EDP (.1.).Electronic.Data.Processing..
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