| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 12 | 154 | Fowlmere | Cambridgeshire | 17/11/41 | Formed. Spitfire IIa, 11/41. Spitfire IIb, 01/42. Spitfire Va, 02/42. Spitfire Vb, 02/42. |
| 12 | 154 | Coltishall | Norfolk | 12/03/42 | |
| 12 | 154 | Fowlmere | Cambridgeshire | 05/04/42 | |
| 10 | 154 | Church Stanton | Somerset | 07/05/42 | |
| 11 | 154 | Hornchurch | Essex | 07/06/42 | |
| 11 | 154 | Fairlop | Essex | 27/07/42 | |
| 12 | 154 | Wellingore | Lincolnshire | 01/09/42 | To Djidjelli, 01/11/42. |
| 11 | 154 | Biggin Hill | Kent | 16/11/44 | Reformed. Spitfire VII, 11/44. Mustang IV, 02/45. |
| 11 | 154 | Hunsdon | Hertfordshire | 01/03/45 | Disbanded 31/03/45. |