World War IIHv.B.Busen IV Hv.B Busen IV was in Nortraship’s service between 1940-41. In 1941, the ship was leased by the British Royal Navy as a minesweeper and renamed HMS Stormwrack. About Hv.B.Busen IV Nationality 11659 Built 1925 Wrecked - Carrier Tønsberg Hvalfangeri A/S,Tønsberg Tonnage 266 brt Casualties World War II Sigbjørn Johannes Tollefsen Born: 20.01.1906 Position: Elektriker Read More Read more on Krigsseilerregisteret.no