No. 141 Squadron RAF

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No. 141 Squadron RAF
Active 1 January 1918 - 1964
Country United Kingdom
Branch Royal Air Force
Motto "We slay by night"

No. 141 Squadron of the Royal Air Force was formed on 1 January 1918 at Rochford, for home defence in the London Area. The Squadron moved to RAF Biggin Hill in February and giving up its mixed collection of types in favour of Bristol F.2 Fighters during March. In March 1919, it moved to Ireland, and was disbanded the following year, on 1 February 1920.

141 Sqn was reformed on 4 October 1939 at RAF Turnhouse and was first equipped with Gloster Gladiators then Bristol Blenheims. These were replaced with the Boulton Paul Defiants in April 1940. The first operational patrol was flown on 29 June.

The squadron moved to RAF West Malling, Kent in July. Following an unsuccessful encounter with the enemy a few days later, the squadron was re-designated a night fighter unit, a role more suited to the Defiant. The Squadron motto Caedimus noctu (Latin: "We slay by night") derives from this period.

Later, 141 Squadron converted to Bristol Beaufighters.

From 1943, it changed roles again to long range intruder operations with Beaufighters over occupied Europe, using the Serrate radar detector, while based at RAF West Raynham in Norfolk.


(Source: MoD Records.[1])


  1. ^ Battle of Britain MoD Records Retrieved 14 July 2007

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