Scotland on 20 April. The ship was launched on 1 September and completed on 31 December. She was damaged by an accidental explosion alongside Barrage Vessel BV 42 on 22 December 1943 and one man killed on each vessel. BV 42 sank. She arrived at Tobermory, Mull, Scotland, on 12 January 1944 to begin training at the Royal Navy's Anti-Submarine Training School, . Flint Castle ran aground while training on 18 January and was refloated. She arrived at Belfast, Northern Ireland, the following day to begin repairs that lasted until 9 February. The ship was then assigned to the 39th Escort Group and escorted one Atlantic convoy in mid-March before being transferred to the Liverpool-based Escort Group B2 to escort convoys to and from Gibraltar. In September 1944, Flint Castle was assigned to Escort Group B3, which protected convoys sailing between St. John's, Newfoundland and Labrador, Canada, and Britain. The ship was refitted in Cardiff, Wales, in January–March 1945 and rejoined her group in Liverpool in April. She was assigned to Rosyth Command in June as an anti-submarine training ship and visited ports in Norway and Germany over the next several months. Flint Castle was transferred to the Rosyth Escort Force in June 1946, which was employed as a training unit; it was redesignated as the Basic Anti-Submarine Training Flotilla in September. The unit was then transferred to Portland and used a variety of names before settling on the Second Training Squadron in January 1952. On 15 June 1953, she took part in the Fleet Review held at Spithead to celebrate the Coronation of Queen Elizabeth II. The ship was used to portray a German anti-submarine vessel in the 1955 film The Cockleshell Heroes. Flint Castle was taken out of service in March 1956 at Devonport Dockyard, until her demolition began, starting on 10 July 1958 at Faslane. While her service was uneventful, Flint Castle was awarded the battle honour of Atlantic 1944–45. References Bibliography Castle-class corvettes 1943 ships