No. 11 Squadron RCAF was a Royal Canadian Air Force squadron active during the Second World War. It was primarily used in an anti-submarine role and was based on the east coast of Canada and Newfoundland. It was initially formed at RCAF Station Ottawa before moving to Dartmouth, Nova Scotia on 3 November 1939, where it became operational.

No. 11 Squadron RCAF
No. 11 Squadron Lockheed Hudson
Active	3 Oct 1939 - 15 Sept 1945[1]
Country	Canada
Branch	Royal Canadian Air Force
Role	Bomber Reconnaissance
Part of	RCAF No.3 Training Command, Eastern Air Command, Western Air Command
Nickname(s)	The Joe Squadron[1]
Engagements	Second World War Battle of the Atlantic Battle of the St. Lawrence
Decorations	8 DFC's, 1 AFC, 1 DFM and 6 MiDs[1]
Battle honours	North-West Atlantic 1939-1945 Pacific Coast 1945[2]
Flying hours	25,386 operational, 13,377 non-operational[1]
Insignia
Unit Codes	OY (1939-1942) KL (1942)[1]
Aircraft flown
Patrol	Lockheed Hudson I & III Consolidated Liberator III, V & VI

From 26 October 1943 to 17 June 1944, it operated from Torbay, Newfoundland before returning to Halifax for a year, before again moving across the country to Patricia Bay, British Columbia on 31 May 1945.^[1] The squadron flew the Lockheed Hudson and Consolidated Liberator maritime patrol bombers before disbanding on 15 September.^[3] The unit's first operational flight, on 10 November 1939, was to provide sighting practice for the anti-aircraft guns of the Royal Navy battlecruiser HMS Repulse and aircraft carrier HMS Furious, as well as for the Halifax, Nova Scotia shore batteries.^[1]