| Acronym | Meaning |
| CAB | The
Civil Aviation Branch of the Department of Defence (1921-1936) or the Civil
Aviation Board of the Department of Defence (1936-1938). |
| DCA | The
Department of Civil Aviation. |
| DOT | The
Department of Transport. |
| DOA | An
unfortunate acronym denoting the Department of Aviation. |
| DOTC | The
Department of Transport and Communications. |
| DOTARS | The
Department of Transport and Regional Services. |
| CAA | The
Civil Aviation Authority. |
| CASA | The
Civil Aviation Safety Authority. |
| ASA | Airservices
Australia. |
| AusSAR | Australian
Search And Rescue, part of the Australian Maritime Safety Authority. |
| BASI | The
Bureau of Air Safety Investigation. |
| ATSB | The
Australian Transport Safety Bureau. |
| FAC | The
Federal Airports Corporation. |