Acronyms: A

Acronym	Name
A&E	Architecture and Engineering
A&P	Airframe and power plant
A-BPSK	Aviation Binary Phase Shift Keying
A-QPSK	Aeronautical quadrature phase shift keying
A-SMGCS	Advanced surface movement guidance and control systems
A/B	Autobrake
A/C	Aircraft
A/D	Analog-to-digital
A/FD	Airport/Facility Directory
A/G	Air to Ground
A/G	Air/ground; air to ground
A/H	Altitude/Height
A/L	Airline
A/L	Autoland
A/N	Alphanumeric
A/P	Autopilot
A/T	Autothrottle
A/V	Aircraft/vehicle
AAA	Airport Airspace Analysis
AAC	Aeronautical administration communications
AAC	Airline administrative communications
AAC	Approval, acceptance, concurrence
AADC	Airport Average Daily Capacity
AAF	Army Air Field
AAF	Airway Facilities Service
AAF-1	Director of Airway Facilities
AAI	Arrival Aircraft Interval
AAI	Airline Avionics Institute
AAI	FAA Office of Accident Investigation
AAIB	Air Accident Investigation Branch (U.K. equivalent of NTSB)
AAIPT	Aging Aircraft Enterprise Team (Naval Air Systems Command)
AAIU	Air Accident Investigation Unit
AAL	Above Aerodome Level
AAL	Alaska Region
AALC	Autonomous approach landing capability
AAM	Advanced Air Mobility
AAM	Office of Aerospace Medicine
AAMP	Advanced Architecture MicroProcessor
AAMS	Aircraft Arrival Management System
AAP	Advanced Automation Program
AAR	After Action Review
AAR	Airport Acceptance Rate
AAR	Airport and Aircraft Safety Research and Development
AAR	Automated Aerial Refueling
AAS	Advanced Automation System
AAS	Airport Advisory Service
AASR	Aging Aircraft Safety Rule
AAT	Associate Administrator for Air Traffic
AATD	Aviation Applied Technology Directorate (U.S. Army)
AATT	Advanced Air Transportation Technology
AAWU	Alaskan Aviation Weather Unit
ABA	FAA Office of Financial Services
ABA	Office of Budget
ABC	Activity Based Costing
ABC	Automatic Brightness Control
ABCS	Army Battle Command System
ABDIS	Automated Data Interchange System Service
ABDIS	Automated Data Interchange System Service B
ABSAA	Airborne Sense and Avoid
AC	Advisory Circular
AC	Alternating Current
AC2	Dolby surround
ACAA	Air Carrier Association of America
ACAC	Air-cooled Air Cooler
ACAIS	Air Carrier Activity Information System
ACAMS	Aircraft Condition Analysis Management System
ACAR	Aircraft Communications Addressing and Reporting System
ACARS	Aircraft Communications Addressing and Reporting System
ACAS	Aircraft Collision Avoidance System
ACC	Active clearance control
ACC	Airports Consultants Council
ACC	Airspace control center
ACC	Area control center
ACCT	Accounting Records
ACD	Automatic Call Distributor
ACD	Automatic conflict detection
ACDO	Air Carrier District Office
ACE	Actuator control electronics
ACE	Advanced certification equipment
ACE	Central Region
ACEP	Airport Capacity Enhancement Plan
ACF	Area control facility
ACFO	Aircraft Certification Field Office
ACFT	Aircraft
ACG	Assessment Compliance Group
ACI-NA	Airports Council International - North America
ACID	Aircraft Identification
ACIP	Airport Capital Improvement Plan
ACIP	Automated Conformity Inspection Process
ACIPS	Airfoil cowl ice protection system
ACK	Acknowledgment
ACLS	Automatic Carrier Landing System
ACLT	Actual Landing Time Calculated
ACM	Adjacent center metering
ACM	Airport Certification Manual
ACMF	Airplane condition monitoring function
ACMP	Alternating current motor pump
ACMS	Aircraft condition monitoring system
ACNSS	Advanced communication/navigation/surveillance system
ACO	Aircraft Certification Office

AeroBook

Acronyms: A