HMCS Arleux
HMCS Arleux was one of twelve naval trawlers used by the Royal Canadian Navy (RCN). Entering service in 1918 near the end of the First World War, the vessel had a short career with the RCN, being transferred to the Department of Marine and Fisheries in 1922. Arleux was used for fisheries patrol off the east coast of Canada until 1939, when the ship was reacquired by the RCN at the onset of the Second World War. Used as a gate vessel during the war and designated Gate Vessel 16, the ship was sold for mercantile purposes following the war. The ship foundered in 1948 off the coast of Nova Scotia. Design and description The RCN's Battle-class trawlers formed part of the Canadian naval response to Admiralty warnings to Canada about the growing German U-boat threat to merchant shipping in the western Atlantic. Intended to augment anti-submarine patrols off Canada's east coast, these ships were modelled on contemporary British North Sea trawlers, since the standard types of Canadian fishing vessels were considered unsuitable for patrol work. Twelve vessels were ordered on 2 February 1917 from two shipyards, Polson Iron Works of Toronto and Canadian Vickers of Montreal. Those vessels built