p.xxi
| A4A | Airlines for America |
| AACO | Arab Air Carriers Organisation |
| AAPA | Association of Asia Pacific Airlines |
| ABAS | aircraft-based augmentation system |
| ACAC | Arab Civil Aviation Commission |
| ACARE | Advisory Council for Aeronautical Research in Europe |
| ACAS | Advisory, Concilation and Arbitration Service |
| ACC3 | Air Cargo or Mail Carrier Certificate |
| ACI | Airports Council International |
| ACMI | aircraft, crew, maintenance and insurance |
| ACRP | Airport Cooperative Research Program |
| ADS-B | automatic dependent surveillance-broadcast |
| AEA | Association of European Airlines |
| AENA | Spanish Airports and Air Navigation |
| AIAS | Alaska International Airport System |
| AIS | aeronautical information system |
| ALI | Air Liberalisation Index ... |
No credit card required