It was one of 15 squadrons of the Polish Air Force in exile that served alongside the Royal Air Force (RAF) in World War II.

[5] The squadron was formed on 20 March 1943 at RAF Detling, Kent from personnel of No.

309 Squadron[6] and after training with Hawker Hurricane Mk.Is it moved to the Middle East, operating from RAF Muqeibila and RAF Gaza and continuing its training, specifically with II Corps of the Polish Army, by now using Hurricane Mk.IIBs.

The squadron was then involved in ground attack and tactical reconnaissance operations over Italy in support of the Eighth Army following the allied advance; and saw action at the Battle of Monte Cassino.

Soon after, the squadron disbanded at RAF Coltishall, according to some sources on 31 August 1946,[3][7][8] while others mention 12 December 1946.