# List of Boulton Paul Defiant operators

This is a list of the Boulton Paul Defiant operators.

## Operators
### Australia
#### Royal Australian Air Force

* No. 456 Squadron RAAF used the Defiant between its formation in June 1941 and November 1941 when it converted to Beaufighters. Squadron code letters 'PZ'.

### British India
#### Royal Indian Air Force

* No.1 Air Gunners School (India)
* No.22 Anti Aircraft Co-Operation Unit

### Canada
#### Royal Canadian Air Force

* No. 409 (Nighthawk) Squadron used the Defiant on night fighter operations between July 1941 and October 1941, using the squadron code letters 'KP'.
* No. 410 (Cougar) Squadron used the Defiant as a nightfighter between June 1941 and June 1942, using the squadron code letters 'RA'.

### Poland
#### Polish Air Forces on exile in Great Britain

* No. 307 Polish Night Fighter Squadron "Lwowskich Puchaczy" used the Defiant between September 1940 and August 1941, using the squadron code letters 'EW'. 307 was a new nightfighter Defiant squadron formed but did not become operational until December defending western Britain. One of their aircraft was serial number N1671, EW-D, and is the sole complete surviving Defiant which is on display at the RAF Museum at Hendon.

### United Kingdom
#### Royal Air Force

| Squadron | Period | Operations |
| No. 2 Squadron RAF | August - November 1940 | Fighter, Squadron code KO |
| No. 85 Squadron RAF | January - February 1941 | Fighter, probably Squadron code 'VY'. |
| No. 96 Squadron RAF | March 1941 - July 1942 | Fighter, Squadron code 'ZJ'. |
| No. 125 (Newfoundland) Squadron | June 1941 - April 1942 | Night fighter, Squadron code 'VA', |
| No. 141 Squadron RAF | April 1940 - August 1941 | Fighter, Squadron code 'TW', |
| No. 151 Squadron RAF | December 1940 - July 1942 | Nightfighter as radar countermeasures, Squadron code 'DZ', . |
| No. 153 Squadron RAF | October 1941 - May 1942 | fighter, Squadron code 'TB', . |
| No. 255 Squadron RAF | November 1940 - September 1941 | Fighter, Squadron code 'YD', |
| No. 256 Squadron RAF | November 1940 - June 1942 | Fighter, Squadron code 'JT', . |
| No. 264 Squadron RAF | December 1939 - July 1942 | Fighter, Squadron code 'PS', . |
| No. 275 Squadron RAF | May 1942 - June 1943 | air-sea rescue, Squadron code 'PV', . |
| No. 276 Squadron RAF | May 1942 - May 1943 | Air-Sea Rescue, Squadron code 'AQ', |
| No. 277 Squadron RAF | May 1942 - May 1943 | Air-Sea Rescue, Squadron code 'BA', . |
| No. 280 Squadron RAF | May - December 1942 | Air-Sea Rescue, Squadron code 'MY', . |
| No. 281 Squadron RAF | April 1942 - July 1943 | Air-Sea Rescue, Squadron code 'FA', FA-H |
| No. 285 Squadron RAF | March 1942 - January 1944 | Anti-Aircraft Co-operation, Squadron code 'VG', . |
| No. 286 Squadron RAF | April 1942 - July 1944 | Anti-Aircraft Co-operation, Squadron code 'NW'. |
| No. 287 Squadron RAF | April 1942 - October 1943 | Anti-Aircraft Co-operation, Squadron code 'KZ'. |
| No. 288 Squadron RAF | May 1942 - April 1943 | Anti-Aircraft Co-operation, Squadron code 'RP'. |
| No. 289 Squadron RAF | May 1942 - July 1943 | Anti-Aircraft Co-operation, Squadron code 'YE'. |
| No. 515 Squadron RAF | June 1942 - December 1943 | Radar Counter Measures (RCM) operations. |
| No. 567 Squadron RAF | | |
| No. 667 Squadron RAF | December 1943 - February 1945 | Anti-Aircraft Co-operation, Squadron code 'U4'. |
| No. 691 Squadron RAF | December 1943 - April 1945 | Anti-Aircraft Co-operation, Squadron code '5S' |
* No. 1422 Flight RAF
* No. 1479 (Anti-Aircraft Co-operation) Flight RAF
* No. 1480 (Anti-Aircraft Co-operation) Flight RAF
* No. 1481 Target Towing and Gunnery Flight RAF
* No. 1482 Target Towing and Gunnery Flight RAF
* No. 1483 (Bombing) Gunnery Flight RAF
* No. 1484 (Bombing) Gunnery Flight RAF
* No. 1485 (Bombing) Gunnery Flight RAF
* No. 1566 (Meteorological) Flight RAF
* No. 1600 (Anti-Aircraft Co-operation) Flight RAF
* No. 1602 (Anti-Aircraft Co-operation) Flight RAF
* No. 1616 (Anti-Aircraft Co-operation) Flight RAF
* No. 1622 (Anti-Aircraft Co-operation) Flight RAF
* No. 1623 (Anti-Aircraft Co-operation) Flight RAF
* No. 1624 (Anti-Aircraft Co-operation) Flight RAF
* No. 1631 (Anti-Aircraft Co-operation) Flight RAF
* No. 1692 (Radio Development) Flight RAF used the Defiant on Radar Counter Measures (RCM) operations

#### Fleet Air Arm

** Operated the Defiant Target-Tug
* 721 Naval Air Squadron
* 726 Naval Air Squadron
* 727 Naval Air Squadron
* 728 Naval Air Squadron
* 770 Naval Air Squadron
* 771 Naval Air Squadron
* 772 Naval Air Squadron
* 774 Naval Air Squadron
* 775 Naval Air Squadron
* 776 Naval Air Squadron
* 777 Naval Air Squadron
* 779 Naval Air Squadron
* 788 Naval Air Squadron
* 789 Naval Air Squadron
* 791 Naval Air Squadron
* 792 Naval Air Squadron
* 794 Naval Air Squadron
* 797 Naval Air Squadron

### United States
#### United States Army Air Forces

* No. 11 Combat Crew Replacement Centre USAAF - 1 aircraft