| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 9 | 350 | Valley | Anglesey | 13/11/41 | Formed. Spitfire IIa, 11/41. |
| 9 | 350 | Atcham | Salop | 19/02/42 | Spitfire Vb, 03/42. |
| 10 | 350 | Warmwell | Dorset | 05/04/42 | |
| 11 | 350 | Debden | Essex | 15/04/42 | |
| 11 | 350 | Gravesend | Kent | 30/06/42 | |
| 11 | 350 | Martlesham Heath | Suffolk | 07/07/42 | |
| 11 | 350 | Kenley | Surrey | 16/07/42 | |
| 11 | 350 | Redhill | Surrey | 31/07/42 | |
| 11 | 350 | Martlesham Heath | Suffolk | 07/09/42 | |
| 11 | 350 | Redhill | Surrey | 15/09/42 | |
| 11 | 350 | Rochford | Essex | 23/09/42 | |
| 11 | 350 | Hornchurch | Essex | 07/12/42 | |
| 11 | 350 | Heston | Middlesex | 01/03/43 | |
| 11 | 350 | Hornchurch | Essex | 13/03/43 | |
| 11 | 350 | Fairlop | Essex | 15/03/43 | |
| 13 | 350 | Acklington | Northumberland | 23/03/43 | |
| 13 | 350 | Ouston | Northumberland | 08/06/43 | |
| 13 | 350 | Acklington | Northumberland | 20/07/43 | |
| 12 | 350 | Digby | Lincolnshire | 25/08/43 | |
| 11 | 350 | West Malling | Kent | 07/09/43 | |
| 12 | 350 | Digby | Lincolnshire | 19/09/43 | |
| 11 | 350 | Hawkinge | Kent | 01/10/43 | |
| 11 | 350 | Rochford | Essex | 12/10/43 | |
| 11 | 350 | Hawkinge | Kent | 31/10/43 | |
| 11 | 350 | Hornchurch | Essex | 30/12/43 | Spitfire IXb, 12/43. |
| 11 | 350 | Hawkinge | Kent | 10/03/44 | Spitfire Vc, 03/44. |
| 14 | 350 | Peterhead | Aberdeenshire | 14/03/44 | |
| 11 | 350 | Friston | Sussex | 25/04/44 | |
| 11 | 350 | Westhampnett | Sussex | 03/07/44 | |
| 11 | 350 | Hawkinge | Kent | 08/08/44 | Spitfire XIV, 08/44. |
| 11 | 350 | Lympne | Kent | 29/09/44 | To Evere, B56, 03/12/44. |
| 10 | 350 | Warmwell | Dorset | 18/03/45 | Ex-Eindhoven, B78. To Twente, B106, 02/04/45. |