Aviation Abbreviations Glossary

Term	Main definition
ABD	Airbus Directive and Procedure
ABCU	Alternate Braking Control Unit
ABCM	Alternate Brake Control Manifold
ABCD	Airbus Collective Data Dictionary
AARC	Aircraft Airworthiness Review Certificate
AAR	Air-to-Air Refueling Abbreviation
AAP	Additional Attendant Panel
AAMG	Airbus Application Management Group
AAL	Above Aerodrome Level
AADC	Analog Air Data Computer
AAC	Airline Administrative Communications Analog Air Data Computer
AAAH	Airbus Approved Abbreviations Handbook
AAA	Airworthiness Approval Attestation
AA	Arithmetical Average
AA	Airworthiness Authorities
A/THR A/XFMR	Autothrust Autotransformer
A/T	Adjustment/Test
A/STAB	Auto Stabilizer
A/SKID	Anti-Skid
A/S	Auto Stabilization
A/S	Airspeed
A/R	Audio Reproducer
A/N SIZE	Alpha Numeric Size
A/N	Alphanumeric
A/L	Airline