| Abbreviation | Definition |
|---|---|
| AGW | All Going Well |
| AHAR | Advanced Highway Advisory Radio |
| AHM | Boeing Airplane Health Management |
| AHS | Automated Highway System |
| AHSTS | Algoma and Huron Superior Transportation Services |
| AHSTS | Algoma Huron Superior Transportation Services |
| AHT | Average Handling Time |
| AI | Another Incident |
| AIAA | Aerospace Industries Association of America, Inc. |
| AIAEA | The All India Aircraft Engineers Association |
| AIC | Air Ideal Control |
| AICC | Automated Intelligent Cruise Control |
| AICT | Al-HAMD International Container Terminal |
| AIDC | ATS (Air Traffic Services) Interfacility Data Communication |
| AIDS | Accident/Incident Data System |
| AIFSS | Automated International Flight Service Station |
| AIFV | Advanced Infantry Fighting Vehicle |
| AIFV | Armored Infantry Fighting Vehicle |
| AIFV | Armoured Infantry Fighting Vehicle |
| AIFV | Infantry fighting vehicle |