| No. 171 Squadron RAF | |
|---|---|
| Active | 15 June 1942 – December 1942 7 September 1944 – 27 July 1945 |
| Country |  United Kingdom |
| Branch |  Royal Air Force |
| Motto | Latin: Per dolum defendimus (Confound the enemy) |
| Insignia | |
| Squadron Badge | Aportcullis in front of a displayed eagle |
| Squadron codes | 6Y (1944–1945) |
No. 171 Squadron RAF was aRoyal Air Force Squadron that was a coastal reconnaissance and radio countermeasures unit inWorld War II.
The squadron formed on 15 June 1942 atGatwick and equipped withTomahawk and thenMustang aircraft, it was disbanded in December 1942 and then reformed on 8 September 1944 atNorth Creake, equipped withStirling III and thenHalifax Radio Countermeasures aircraft. It finally disbanded on 27 July 1945.
| From | To | Aircraft | Variant |
|---|---|---|---|
| Jun 1942 | Dec 1942 | CurtissTomahawk | I |
| Sep 1942 | Dec 1942 | P-51 Mustang | IA |
| Sep 1944 | Jan 1945 | Short Stirling | III |
| Oct 1944 | Jul 1945 | Handley Page Halifax | III |
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