| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 12 | 133 | Coltishall | Norfolk | 29/07/41 | Hurricane IIb, 08/41. |
| 12 | 133 | Duxford | Cambridgeshire | 15/08/41 | |
| 12 | 133 | Collyweston | Northamptonshire | 28/09/41 | |
| 12 | 133 | Fowlmere | Cambridgeshire | 03/10/41 | |
| 13 | 133 | Eglinton | County Londonderry | 08/10/41 | Spitfire IIa, 10/41. |
| 12 | 133 | Kirton-in-Lindsey | Lincolnshire | 02/01/42 | Spitfire Va, 01/42. Spitfire Vb, 02/42. |
| 11 | 133 | Biggin Hill | Kent | 03/05/42 | |
| 11 | 133 | Lympne | Kent | 30/06/42 | |
| 11 | 133 | Biggin Hill | Kent | 12/07/42 | |
| 11 | 133 | Gravesend | Kent | 31/07/42 | |
| 11 | 133 | Lympne | Kent | 17/08/42 | |
| 11 | 133 | Biggin Hill | Kent | 31/08/42 | Spitfire IX, 09/42. |
| 11 | 133 | Great Sampford | Essex | 23/09/42 | Became 336th Squadron, 4th FG/8th AF, 29/09/42. |