| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 12 | 402 | Digby | Lincolnshire | 01/03/41 | Formed from No 2(RCAF) Squadron. Hurricane IIa. |
| 11 | 402 | Martlesham Heath | Suffolk | 23/06/41 | |
| 13 | 402 | Ayr | Ayrshire | 10/07/41 | Hurricane IIb, 08/41. |
| 11 | 402 | Rochford | Essex | 19/08/41 | |
| 10 | 402 | Warmwell | Dorset | 06/11/41 | |
| 10 | 402 | Colerne | Wiltshire | 04/03/42 | |
| 10 | 402 | Fairwood Common | Glamorganshire | 17/03/42 | Spitfire Vb, 03/41. |
| 11 | 402 | Kenley | Surrey | 14/05/42 | |
| 11 | 402 | Redhill | Surrey | 31/05/42 | |
| 11 | 402 | Martlesham Heath | Suffolk | 03/08/42 | Spitfire IX, 08/42. |
| 11 | 402 | Redhill | Surrey | 09/08/42 | |
| 11 | 402 | Kenley | Surrey | 13/08/42 | |
| 12 | 402 | Digby | Lincolnshire | 21/03/43 | |
| 11 | 402 | Merston | Sussex | 07/08/43 | |
| 12 | 402 | Digby | Lincolnshire | 19/09/43 | |
| 13 | 402 | Ayr | Ayrshire | 19/12/43 | |
| 12 | 402 | Digby | Lincolnshire | 02/01/44 | |
| 12 | 402 | Wellingore | Lincolnshire | 12/02/44 | |
| 11 | 402 | Horne | Surrey | 30/04/44 | |
| 11 | 402 | Westhampnett | Sussex | 19/06/44 | |
| 11 | 402 | Merston | Sussex | 27/06/44 | |
| 11 | 402 | Hawkinge | Kent | 08/08/44 | Spitfire XIVe, 08/44. To Antwerp, B70, 30/09/44. |