| Abbreviation | Definition |
|---|---|
| AAC | Mike Monroney Aeronautical Center |
| AACT | Automated All-weather Cargo Transfer |
| AACV | Automated Airport Control Volume |
| AADC | Airport Arrival Demand Chart |
| AADC | Allison Advanced Development Company |
| AADC | Approach and Departure Control |
| AADS | Airspeed And Directional Sensor |
| AADT | Annual Average Daily Traffic |
| AADT | Average Annual Daily Traffic |
| AAI | Airport Authority of India |
| AAI | Arrival Aircraft Interval |
| AAIA | Airport and Airway Improvement Act |
| AAIB | Air Accident Investigation Branch |
| AAIB | Air Accidents Investigation Branch |
| AAIR | Amsafe Aviation Inflatable Restraint |
| AAIR | Annual Airworthiness Inspection Report |
| AAIU | Air Accident Investigation Unit (Ireland) |
| AAL | Above Aerodrome Level |
| AAL | American Airlines |
| AALC | Autonomous Approach And Landing Capability |