| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 10 | 137 | Charmy Down | Somerset | 20/09/41 | Formed. Whirlwind I, 09/41. |
| 12 | 137 | Coltishall | Norfolk | 08/11/41 | |
| 12 | 137 | Matlaske | Norfolk | 30/11/41 | |
| 13 | 137 | Drem | East Lothian | 02/08/42 | |
| 12 | 137 | Matlaske | Norfolk | 11/08/42 | |
| 12 | 137 | Snailwell | Suffolk | 24/08/42 | |
| 11 | 137 | Manston | Kent | 17/09/42 | Hurricane IV, 06/43. |
| 11 | 137 | Rochford | Essex | 12/06/43 | |
| 2TAF | 137 | Manston | Kent | 08/08/43 | Typhoon Ib, 01/44. |
| 2TAF | 137 | Lympne | Kent | 14/12/43 | |
| 2TAF | 137 | Colerne | Wiltshire | 02/01/44 | |
| 2TAF | 137 | Lympne | Kent | 04/02/44 | |
| 2TAF | 137 | Manston | Kent | 01/04/44 | To Coulombes, B6, 14/08/44. |