[2] Claus Bolten was built as yard number 219 by Schiffbau-Gesellschaft Unterweser m.b.H, Wesermünde, Germany.

[1] The Code Letters RGCK were allocated,[2] as was the fishing boat registration HC 186.

On 8 March 1929, she was sold to the Deutsche Hochsee Fischerei Bremen-Cuxhaven AG.

[1] On 22 January 1932, she was one of seven trawlers that put in to Reyjkjavík, Iceland having been damaged by severe weather.

[1] On 28 June 1944, she was sunk in the English Channel north west of Saint-Malo, Ille-et-Vilaine, France (48°41′N 2°05′W / 48.683°N 2.083°W / 48.683; -2.083) in an engagement with HMS Eskimo and HMCS Huron.