| Group | Squadron | Base | County | Arrived | Comments |
|---|---|---|---|---|---|
| 6 | 52 | Alconbury | Huntingdonshire | 03/09/39 | Battle I, 11/37. Anson I, 02/39. |
| 6 | 52 | Upwood | Huntingdonshire | 07/09/39 | |
| 6 | 52 | Kidlington | Oxfordshire | 09/09/39 | |
| 6 | 52 | Benson | Oxfordshire | 18/09/39 | Became No.12OTU, 08/04/40. |