A>B A is greater than B (A 大于 B)
A≥B A is greater than or equal to B (A 大于或等于 B)
A<B A is less than B (A小于B)
A≤B A is less than or equal to B (A小于或等于B)
A/BRK Autobrake (自动刹车)
A/C Aircraft (飞机)
A/P Autopilot (自动驾驶)
AP Autopilot (自动驾驶)
A/S Airspeed (空速)
A/SKID Anti-skid (防滞)
A/THR Auto Thrust (自动推力)
AA Airworthiness Authorities (适航当局)
AAL Above Aerodrome Level(高于机场高)
AAT Aircraft Allocation Table (飞机分配表)
AB Abort (中断)
ABCU Alternate Braking Control Unit (备用刹车控制装置)
ABN Abnormal (非正常)
ABV Above (以上)
AC Alternating Current (交流电)
ACARS
ARINC Communication Addressing and Reporting System (飞机通讯寻址和
报告系统)
ACAS Airbrone Collision Avoidance System (机载防撞避让系统)
ACCEL Acceleration (加速)
ACC Active Clearance Control (转子工作间隙控制)
ACCU Accumulator (蓄压器)
ACP Audio Control Panel (音频控制面板)
ACS Aircraft Configuration Summary(飞机构型总结)
ACSC Air Conditioning System Controller (空调系统控制器)
ACT Additional Center Tank (附加中央油箱)
ADC Air Data Computer(大气数据计算器)
ADF Automatic Direction Finder (自动定向机)
ADIRS Air Data Inertial Reference System (大气数据及惯性基准系统)
ADIRU Air Data Inertial Reference Unit (大气数据/惯性基准组件)
ADM Air Data Module (大气数据模块)
ADR Air Data Reference (大气数据基准)
ADS-B Automatic Dependent Surveillance - Broadcast(自动相关监控-发送)
ADS-C Automatic Dependent Surveillance - Contract(自动相关监控-契约)
ADV Advisory (咨询)
AEVC Avionic Equipment Ventilation Controller (电子设备通风控制器)
AFM Airplane Flight Manual (飞机飞行手册)
AFS Auto Flight System (自动飞行系统)
AGL Above Ground Level (场高)
AIDS Aircraft Integrated Data System (飞机综合数据系统)
AIL Aileron (副翼)
AIME Autonomous Integrity Monitoring Extrapolation (自发式内置监控推断)
AIP Attendant Indication Panel (乘务员指示面板)