Appendix 29: Equipment and Location of British Night-fighter Squadrons, September–November 1940
| Squadron | Equipment | War Station | |
| 7th September, 1940 | |||
| No. 10 Group | |||
| 87 | (‘B’ Flight) | Hurricane | Bibury |
| 604 | (County of Middlesex) | Blenheim | Middle Wallop |
| No. 11 Group | |||
| 141 | (‘B’ Flight) | Defiant | Biggin Hill |
| 600 | (City of London) | Blenheim | Hornchurch |
| 25 | Blenheim | North Weald and Martlesham | |
| No. 12 Group | |||
| 23 | Blenheim | Wittering | |
| 29 | Blenheim | Digby | |
| 264 | Defiant | Kirton-in-Lindsey | |
| No. 13 Group | |||
| 219 | Blenheim | Catterick | |
| 141 | (‘A’ Flight) | Defiant | Turnhouse |
NOTE In addition, one section of the Fighter Interception Unit was available for active operations at Tangmere (No. 11 Group).
| 3rd November, 1940 | |||
| No. 10 Group | |||
| 87 | (‘B’ Flight) | Hurricane | Bibury |
| 604 | (County of Middlesex) | Blenheim | Middle Wallop |
| No. 11 Group | |||
| 23 | Blenheim | Ford | |
| 219 | Blenheim and Beaufighter | Redhill | |
| 141 | Defiant | Gatwick | |
| 264 | Defiant | Rochford | |
| 25 | Blenheim and Beaufighter | Debden | |
| 73 | Hurricane | Castle Camps | |
| No. 12 Group | |||
| 29 | Blenheim | Wittering and Digby | |
| 151 | Hurricane | Digby | |
| 85 | Hurricane | Kirton-in-Lindsey and Caistor | |
| No. 13 Group | |||
| 600 | (City of London) | Blenheim | Catterick and Drem |
NOTE In addition, elements of the Fighter Interception Unit were available for active operations at Tangmere (No. 11 Group).