ARTS Automated.Terminal.Radar.System
ARU Audio.Reproducer.Unit
ASA (.1.).Aircraft.Separation.Assurance. (.2.).Autoland.Status.Annunciator.(AFDS) ASAA AC.RS.System.Access.Approval.(AEEC) ASAP Aviation.Safety/Accident.Prevention ASAS Aircraft.Separation.Assurance.System.(AEEC) ASCII American.Standard.Code.for.Information. Interchange ASCPC Air.Supply.and.Cabin.Pressure.Controllers ASD Aircraft.Situation.Display ASDE Airport Surface Detection Equipment ASDL Aeronautical.Satellite.Data.Link ASE Altimetry.System.Error ASECNA Agency.for.the.Security.of.Aerial.Navigation.in. Africa.and.Madagascar
ASEL Altitude Select: An autopilot flight/director mode.
ASG ARINC.Signal.Gateway
ASI (.1.).Avionics.System.Integration..
(.2.).Airplane.Systems.Integrator
ASIC Application Specific Integrated Circuit ASLS Avionics.System.LAN.Switch ASM (.1.).Airspace.Management..
(.2.).Autothrottle.Servo.Motor..
( 3 ) Avionics Specific Module .
( 4 ) Application Specific Module ASN. Abstract Syntax Notation One ASOS Automated Surface Observing System ASP (.1.).Altitude.Set.Panel..
(.2.).Aeronautical.Fixed.Service.(AFS).Systems. Planning.for.data.interchange ASPP Aeronautical.Fixed.Service.(AFS).Systems. Planning.for.data.interchange.Panel A-SMGCS Advanced.Surface.Movement.Guidance.and. Control.Systems ASR Airport.Surveillance.Radar
ASRS Aviation.Safety.Reporting.System
ASSAP Airborne.Surveillance.and.Separation.Assurance.
Processing ASSTC Aerospace.Simulation.and.Systems.Test.Center ASTF Airspace.System.Task.Force ASU (.1.).Avionics.Switching.Unit..
( 2 ) Application Specific Unit
ASV Advanced.Super.View ASSV Alternate.Source.Selection.Valve ASTA Airport Surface Traffic Automation AT ( 1 ) Air Traffic .
(.2.).Air.Transport A/T Auto.throttle ATA (.1.).Actual.Time.of.Arrival.
(.2.).Air.Transport.Association
ATC Air Traffic Control ATCA Air Traffic Control Association ATCC Air Traffic Control Center ATCRBS Air Traffic Control Radar Beacon System ATCSS Air Traffic Control Signaling System .A system
to.provide.information.between.the.pilot.and.air.
traffic control using the VHF communications
transceiver.in.conjunction.with.data.link.
equipment.
ATD Actual.Time.of.Departure ATE Automatic Test Equipment ATFM Air Traffic Flow Management ATHR Autothrust.System ATHS Automatic.Target.Handoff.System ATI Instrument.Size.Unit.of.Measure ATIS ( 1 ) Air Traffic Information Service.
(.2.).Automatic.Terminal.Information.Service. (.3.).Automatic.Terminal.Information.System ATLAS Abbreviated.Test.Language.for.Avionics.Systems
ATM ( 1 ) Air Traffic Management .
(.2.).Asynchronous.Transfer.Mode.
ATMCP Air Traffic Management Concept Panel (ICAO)
ATN Aeronautical.Telecommunications.Network
ATN P Aeronautical.Telecommunication.Network.Panel
ATP Acceptance.Test.Procedure.(Air.Transport)
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