ABBREVIATION  TERM 
3D  Three Dimensional (Lat, Long, Alt) 
4D  Four Dimensional (Lat, Long, Alt, Time) 
A  Ampere 
A  Alternate 
A  Amber 
A  Area 
A  Air 
A-D  Airbus Deutschland 
A-E  Airbus Espana 
A-F  Airbus France 
A-UK  Airbus UK 
AA  Arithmetical Average 
AA  Airworthiness Authorities 
AAAH  Airbus Approved Abbreviations Handbook 
AAC  Airline Administrative Communications 
AADC  Analog Air Data Computer 
AAL  Above Aerodrome Level 
AAMG  Airbus Application Management Group 
AAP  Additional Attendant Panel 
AAR  Air to Air Refueling 
ABBR  Abbreviation 
ABCD  Airbus Collective Data Dictionary 
ABCM  Alternate Brake Control Manifold 
ABCU  Alternate Braking Control Unit 
ABD  Airbus Directive and Procedure 
ABDC  Avionics Broadcast Data Collector 
ABEC  Airbus (Beijing) Engineering Centre Company Limited 
ABM  Abeam 
ABM  APU Build-up Manual 
ABN  Abnormal 
ABNORM  Abnormal 
ABRN  Airborne 
ABS  Autobrake System 
ABS VAL  Absolute Value 
ABSELV  Alternate Brake Selector Valve 
ABSORB  Absorber 
ABV  Above 
AC  Airplane Characteristics for Airport Planning 
AC  Alternating Current 
AC  Advisory Circular 
ACARS  Aircraft Communication Addressing and Reporting System 
ACAS  Airborne Collision Avoidance System 
ACC  Area Control Centre 
ACC  Active Clearance Control 
ACCEL  Acceleration/Accelerate 
ACCESS  Accessory 
ACCLRM  Accelerometer 
ACCU  Accumulator 
ACCUR  Accuracy 

ACD  Airworthiness Certification Dossier 
ACD  Airframe Certification Document 
ACD  Additional Control Device 
ACDB  Aircraft Component Data Base 
ACE  Altimeter Control Equipment 
ACE  Airbus Concurrent Engineering 
ACFT  Aircraft 
ACFU  Aircraft Check Follow Up 
ACG  Aircraft Center of Gravity 
ACGS  Aircraft GSM Server 
ACIA  Asynchronous Communications Interface Adaptor 
ACJ  Advisory Circular-Joint 
ACK  Acknowledge 
ACM  Aircraft Conversion Manual 
ACM  Abbreviated Component Maintenance Manual