| 278 Squadron | |
|---|---|
| Active | 1 July 2003 – 17 December 2020 |
| Country | Australia |
| Branch | Royal Australian Air Force |
| Role | Technical training |
| Part of | Air Combat Group, 78 Wing |
| base | RAAF Base Amberley |
| Motto(s) | Prepare to Defend and Strike |
No 278 Squadron was a Royal Australian Air Force unit formed on 1 July 2003 and disbanded on 17 December 2020. The squadron's formation removed day-to-day management responsibility of No. 78 Wing RAAF Technical Training and Operational Flight Trainer support elements from the Wing Headquarters.
No 278 Squadron had a combined Air Force/Australian Public Service workforce serving in Technical Training Flights at Williamtown and Amberley. The Squadron Headquarters was located at RAAF Base Amberley.