| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 12 | 409 | Digby | Lincolnshire | 17/06/41 | Formed. Defiant I, 07/41. |
| 12 | 409 | Coleby Grange | Lincolnshire | 26/07/41 | Beaufighter IIf, 09/41. Beaufighter VIf, 06/42. |
| 13 | 409 | Acklington | Northumberland | 23/02/43 | |
| 12 | 409 | Coleby Grange | Lincolnshire | 19/12/43 | |
| 13 | 409 | Acklington | Northumberland | 05/02/44 | Mosquito XIII, 03/44. |
| 11 | 409 | Hunsdon | Hertfordshire | 01/03/44 | |
| 2TAF | 409 | West Malling | Kent | 14/05/44 | |
| 2TAF | 409 | Hunsdon | Hertfordshire | 19/06/44 | To Carpiquet, B17, 25/08/44. |