| Abbreviation | Definition |
|---|---|
| AIG | Airbus Industries Group |
| AIM | Aeronautical Information Manual |
| AIMES | Australian Integrated Multimodal Ecosystem |
| AIMS | Aircraft Inventory Maintenance System |
| AIMS | American Institute of Merchant Shipping |
| AIP | Aeronautical Information Publication |
| AIP | Airport Improvement Program |
| AIR | Accident Incident Report |
| AIR | Air Injection Reaction |
| AIR | Airline |
| AIRAC | Aeronautical Information Regulation And Control |
| AIRMET | Airman's Meteorological Information |
| AIRNET | Airport Network Simulation Model |
| AIS | Advanced Inland Security |
| AIS | Air Idle Speed |
| AIS | Air Intake Sensor |
| AIS | Automatic Idle Speed |
| AIT | Automated Identification Technology |
| AIT | Automated Information Transfer |
| AITC | Airport Intermodal Transit Connector |