ATM AIR TURBINE MOTOR
ATM AIRCRAFT TRANSPORTABILITY MANUAL
ATM AVAILABLE TON-MILE
ATMS ADVANCED TEXT MANAGEMENT SYSTEM
ATN AERONAUTICAL TELECOMMUNICATION NETWORK
ATO ABORTED TAKE OFF
ATP ACCEPTANCE TEST PROCEDURE
ATPL AIR TRANSPORT PILOTS LICENSE
ATRIM AUTO TRIM
ATS ADMINISTRATIVE TERMINAL SYSTEM
ATS AIR TRAFFIC SECTOR
ATS AIRBUS TECHNICAL SPECIFICATION
ATS AUTO THROTTLE SYSTEM
ATS AUTO THRUST SYSTEM
ATSU AIR TRAFFIC SERVICE UNIT
ATT ATTITUDE
ATTEN ATTENUATION
ATTN ATTENTION
ATTND ATTENDANT
ATZ AERODROME TRAFFIC ZONE
AUD AUDIO
AUTH AUTHORIZE
AUTO AUTOMATIC
AUTOCAL AUTO CALIBRATION
AUTOLAND AUTOMATIC LANDING
AUW ALL-UP WEIGHT
AUX AUXILIARY
AVAIL AVAILABLE
AVG AVERAGE
AVIOLAN AVIONICS LOCAL AREA NETWORK
AVIONICS AVIATION ELECTRONICS
AVL AUTOMATIC VOLUME CONTROL
AVLAN AVIONICS LOCAL AREA NETWORK
AVNCS AVIONICS
AVOD AUDIO-VIDEO ON DEMAND
AVOR AIRWAY-VOR
AVRS AUDIO / VIDEO RECORDING SYSTEM
AWB AIRWAY BILL
AWB AUDIO WARNING BOX
AWG AMERICAN WIRE GAGE
AWG AUDIBLE WARNING GENERATOR
AWL AIRCRAFT WIRING LIST
AWLS ALL WEATHER LANDING SYSTEM
AWM AIRCRAFT WIRING MANUAL
AWS AMERICAN WELDING SOCIETY
AWY AIRWAY
AX ACCESS AUTHORIZED
AX LONGITUDINAL ACCELERATION
AY LATERAL ACCELERATION
AZ AZIMUTH
AZ VERTICAL ACCELERATION
AZFW ACTUAL ZERO FUEL WEIGHT
B BRAVO
B / A BANK ANGLE
B / B BACK BEAM
B / C BAGGAGE CONTAINER
B / C BUSINESS CLASS
B / D BOTTOM OF DESCENT
10 Aircraft Systems - Abbreviations and Acronyms

B BLUE
B BOTTOM
BAABI BASIC APPROVED ATA BREAKDOWN INDEX
BAE BRITISH AEROSPACE
BAF BAFFLE
BAFO BEST AND FINAL OFFER
BAL BASIC ASSEMBLY LANGUAGE
BAMC BLEED AIR MONITORING COMPUTER
BARC BAROMETRIC ALTITUDE RATE COMPUTER
BARO BAROMETRIC
BARP BAROMETRIC PRESSURE
BAT BATTERY
BBRG BALL BEARING
BCAS BEACON COLLISION AVOIDANCE SYSTEM
BCD BINARY CODED DECIMAL
BCD BINARY CODED DECIMAL DATA WORD
BCDS BITE CENTRALIZED DATA SYSTEM
BCEPC BALANCE CONTROL ENVELOPE PROTECTION COMPUTER
BCEPS BALANCE CONTROL ENVELOPE PROTECTION SYSTEM
BCL BATTERY CHARGE LIMITER
BCN BEACON
BCU BRAKE CONTROL UNIT
BCV BLEED CONTROL VALVE
BDD BITE DESCRIPTION DOCUMENT
BDDV BRAKE DUAL DISTRIBUTER VALVE
BDLI BUNDESVERBAND DER DEUTSCHEN LUFT- UND RAUMFAHRT -INDUSTRIE
BDY BOUNDARY
BEL CRK BELL CRANK
BEL BEIL
BER BEYOND ECONOMICAL REPAIR
BETW BETWEEN
BEV BEVEL
BEW BASIC EMPTY WEIGHT
BF BROUGHT FORWARD
BFDAS BASIC FLIGHT DATA ACQUISITION SYSTEM
BFE BUYER FURNISHED EQUIPMENT
BFO BEAT FREQUENCY OSCILLATOR
BFR BUFFER