BRT), from Haugesund, hits a mine laid on 27 May and sinks at 31 May 1940: Norwegian merchant ship Jadarland (938 BRT), from Haugesund, hits a mine laid on 27 May and sinks at 10 June 1940: Norwegian merchant ship Sverre Sigurdssøn (1,081 BRT) hits a mine laid on 9 June off Herdla and sinks at 7 July 1940: Norwegian merchant ship Almora (2,433 BRT), from Egersund, hits a mine laid on 10 May at . The ship survives. 24 July 1940: Norwegian merchant ship Kem (1,705 BRT), from Egersund, hits a mine laid on 10 May and sinks at . 28 July 1940: Norwegian merchant ship Argo (413 BRT), from Egersund, hits a mine laid on 10 May and sinks at . 1941 21 August 1941: Rubis torpedoes and sinks the Finnish merchant ship Hogland (4,360 BRT) off Norway at . 1942 12 June 1942: German auxiliary minesweeper M 4212 (formerly Marie Frans), 125 BRT, hits a mine laid on 5 June and sinks at . 26 June 1942: Vichy French tugboat Quand Même (288 BRT) hits a mine laid on 5 June and sinks at . 10 July 1942: German auxiliary minesweeper M 4401 (formerly Imbrin), 339 BRT, hits a mine and sinks at . 18 August 1942: German Vorpostenboot V 406 (formerly Hans Loh), 464 BRT, hits a mine laid on 14 August and sinks at . 20 September 1942: German auxiliary minesweeper M 4448 (formerly: L 4148), 77 BRT, hits a mine laid on 5 June and sinks at . 1943 10 July 1943: German auxiliary minesweeper M 4451 (formerly Gauleiter A. Meyer), 652 BRT, hits a mine off Arcachon and sinks at . 1944 26 September 1944: German auxiliary submarine hunter UJ 1106 (formerly Grönland), 464 BRT, hits a mine laid on 24 September and sinks at . 27 September 1944: German auxiliary submarine hunter UJ 1715 (formerly Lesum), 464 BRT, hits a mine laid on 24 September and sinks at German merchant ship (5,295 BRT) hits a mine laid on 24 September and sinks at Norwegian cargo ship Knute Nelson (5,749 BRT) hits a mine laid on 24 September and sinks at 27 October 1944: German Vorpostenboot V 5304 (formerly Seehund) hits a mine laid on 18 October at . The ship survives with heavy damage. 24 November 1944: Norwegian merchant ship Castor (1,683 BRT), from Egersund, hits a mine laid on the same