| ACTAR | Accident Commission for Traffic Accident Reconstructionists 
| Others |
| ACTAR | Accreditation Commission for Traffic Accident Reconstructionists
| Others |
| ACTAR | Accreditation Commission for Traffice Accident Reconstruction
| Others |
| ACTAR | Accredited Motor Vehicle Accident Reconstruction
| Others |
| ACTAR | Air Controlman (tower) Airman Recruit
| Others |