| Abbreviation | Definition |
|---|---|
| ASEL | AirplaneSingle-Engine Land |
| ASEL | Airplane—Single-Engine Land |
| ASETIV | Aircraft Survivability Equipment Trainer, Version 4 |
| ASFA | Aviation Safety Foundation Australia |
| ASFT | Airport Surface Friction Tester |
| ASG | APU Starter Generator or Auxiliary Starter Generator |
| ASG | ARINC Signal Gateway |
| ASI | Air Speed Indicator |
| ASI | Airspeed Indicator |
| ASI | Authorized Supplier Instpector |
| ASI | Aviation Safety Inspector |
| ASIF | Aviation Systems Integration Facility |
| ASISE | Airport Security Integrated System Evaluation |
| ASIT | Airplane and Services Integration Team |
| ASL | Aircraft Service list |
| ASL | Approved Supplier Listing |
| ASM | Air Separation Module |
| ASM | Aircraft Schematics Manual |
| ASM | Application Specific Module |
| ASM | Auto-Throttle Server Motor |