AFB  Antifriction Bearing 
AFC  Automatic Frequency Control 
AFCS  Automatic Flight Control System 
AFDX  Avionics Full Duplex Switched Ethernet 
AFECU  Automatic Fire Extinguishing Control Unit 
AFFECTD  Affected 
AFFIRM  Affirmative 
AFIS  Airline In Flight Information System 
AFL  Auto Flush 
AFM  Aircraft Flight Manual 
AFMC  Auxiliary Fuel Management Computer 
AFMR  Airframer 
AFN  ATS Facilities Notification 
AFR  Airframe 
AFS  Automatic Flight System 
AFTN  Aeronautical Fixed Telecommunication Network 
AFTR  After 
AFU  Artificial Feel Unit 
AGB  Accessory Gearbox 
AGB  Angle Gearbox 
AGC  Automatic Gain Control 
AGC  APU Generator Contactor 
AGE  Aircraft Ground Equipment 
AGG  Airbus General Guide 
AGL  Above Ground Level 
AGMT  Augment 
AGP  Alternate Gauging Processor 
AGS  Air Generation System 
AGU  Air Generation Unit 
AGW  Actual Gross Weight 
AH  Ampere Hour 
AHP  Anti-Hijacking Panel 
AHRS  Attitude and Heading Reference System 
AHRU  Attitude and Heading Reference Unit 
AI  Anti-Icing 
AIB  Airbus Industrie 
AIBU  Advanced Illumination Ballast Unit 
AIC  Access Illustration Cards 
AIC  Airbus Integrated Company