Acronyms: A

Acronym	Name
ACO	Associate Contracting Officer
ACO	Office of Airports Compliance and Field Operations
ACP	Audio control panel
ACR	FAA Office of Civil Rights
ACRP	Airport Cooperative Research Program
ACS	Active control system
ACS	Aerial common sensor
ACS	Audio control system
ACSEP	Aircraft Certification Systems Evaluation Program
ACT	Active
ACT	William J. Hughes Technical Center
ACTC	Airport traffic control towers
ACTD	Advanced concept technology demonstration
ACU	Aircraft communications system
ACU	Antenna control unit
ACU	Apron control unit
ACU	Autopilot control unit
AD	Airworthiness Directive
AD	Airworthiness directive (FAA)
ADA	Air Defense Area
ADA	Air Defense Artillery
ADAHRS	Air data attitude heading reference system
ADAP	Airport Development Aid Program
ADAS	AWOS Data Acquisition System
ADAS	Automated weather observing system data acquisition system
ADB	Airport database
ADC	Air Defense Command
ADC	Air data computer
ADC	Analog to digital converter
ADCCP	Advanced Data Communications Control Procedure
ADCUS	Advise Customs
ADDA	Administrative Data
ADDS	Aviation Digital Data Service
ADE	Application development engineer
ADF	Automatic Direction Finder
ADF	Automatic direction finding
ADG	Air-driven generator
ADG	Airplane Design Group
ADI	Attitude director indicator
ADI	Automatic De-Ice and Inhibitor
ADIC	ATS Interfacility Data Communications
ADIN	AUTODIN Service
ADIP	Airport Data and Information Portal
ADIRS	Air data inertial reference system
ADIRU	Air data inertial reference unit
ADIZ	Air Defense Identification Zone
ADL	Aeronautical Data-Link
ADL	Aeronautical data link
ADLO	Air Defense Liaison Office
ADLP	Airborne data link protocol
ADLP	Aircraft data link processor (Mode S)
ADLY	Arrival Delay
ADM	Aeronautical Decision Making
ADM	Air data module
ADMS	Airline data management system
ADN	Aircraft data network
ADO	Airline dispatch office
ADO	Airport district office
ADP	Air driven pump
ADP	Automated Data Processing
ADR	Accumulated Delta range
ADR	Accumulated Doppler range
ADR	Address
ADR	Advanced Data Research
ADR	Alternative dispute resolution
ADRAS	Airplane data recovery and analysis system
ADS	Air data system
ADS	Automated Distribution System
ADS	Automatic dependent surveillance
ADS-A	ADS-addressed
ADS-A	ADS-automation
ADS-B	ADS-broadcast
ADS-B	Automatic Dependent Surveillance-Broadcast
ADS-C	ADS-contract
ADS-R	ADS-rebroadcast
ADSEL	Address selective
ADSIM	Airfield Delay Simulation Model
ADSP	Automatic dependent surveillance panel
ADSSG	ADS Study Group (ICAO)
ADSU	Automatic dependent surveillance unit
ADSY	Administrative Equipment Systems
ADT	Air data tester
ADTN	Administrative Data Transmission Network
ADTN2000	Administrative Data Transmission Network 2000
ADVO	Administrative Voice
AEA	Aircraft Electronics Association
AEA	Eastern Region
AEB	Aerial Exploitation Battalion
AECU	Audio electronic control unit
AED	Aircraft Evaluation Division
AED	Automated External Defibrillator
AED	Automated engineering design
AEDT	Aviation Environmental Design Tool
AEE	FAA Office of Environment and Energy
AEE	Office of Environment & Energy (FAA)
AEEC	Airlines Electronic Engineering Committee
AEEC	Formerly Airlines Electronic Engineering Committee (ARINC)
AEO	All engines operative
AEP	ARINC engineering practices
AEP	Audio entertainment player

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Acronyms: A