[1] The squadron was formed at RAF Acklington on 22 February 1941[2] and reached operational readiness on 24 April 1941.

The squadron moved south in June and received Spitfires in October.

In June 1943 the squadron was allocated to the 2nd Tactical Air Force and moved to RAF Heston.

During the buildup to the invasion of Normandy the squadron carried out offensive sweeps in preparation for the landings.

The squadron arrived in Belgium in October 1944 and Germany in April 1945, remaining there as part of the occupation forces until disbanding as a Polish fighter unit on 3 January 1947 (it had earlier disbanded as a RAF fighter unit at RAF Hethel on 18 December 1946).