| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 10 | 501 | Filton | Avon | 03/09/39 | Hurricane I. |
| 11 | 501 | Tangmere | Sussex | 27/11/39 | To Bethieneville, 11/05/40. |
| 11 | 501 | Croydon | Surrey | 21/06/40 | Ex-Dinard. |
| 11 | 501 | Middle Wallop | Hampshire | 04/07/40 | |
| 11 | 501 | Gravesend | Kent | 25/07/40 | |
| 11 | 501 | Kenley | Surrey | 10/09/40 | |
| 11 | 501 | Filton | Avon | 17/12/40 | |
| 10 | 501 | Colerne | Wiltshire | 09/04/41 | Spitfire I, 04/41. |
| 10 | 501 | Chilbolton | Hampshire | 25/06/41 | Spitfire IIa, 06/41. |
| 10 | 501 | Ibsley | Hampshire | 05/08/41 | Spitfire Vb, 09/41. Spitfire Vc. |
| 11 | 501 | Tangmere | Sussex | 03/07/42 | |
| 10 | 501 | Ibsley | Hampshire | 07/07/42 | |
| 10 | 501 | Middle Wallop | Hampshire | 24/08/42 | |
| 82 | 501 | Ballyhalbert | County Down | 19/10/42 | |
| 11 | 501 | Westhampnett | Sussex | 30/04/43 | |
| 11 | 501 | Martlesham Heath | Suffolk | 17/05/43 | |
| 9 | 501 | Woodvale | Lncashire | 05/06/43 | |
| 11 | 501 | Westhampnett | Sussex | 12/06/43 | |
| 11 | 501 | Hawkinge | Kent | 21/06/43 | Spitfire IX, 06/43. |
| 11 | 501 | Firston | Sussex | 30/04/44 | |
| 11 | 501 | Westhampnett | Sussex | 02/07/44 | |
| 11 | 501 | Manston | Kent | 02/08/44 | Tempest V, 08/44. |
| 11 | 501 | Bradwell Bay | Essex | 22/09/44 | |
| 11 | 501 | Hunsdon | Hertfordshire | 03/03/45 | Disbanded 20/04/45. |