On 17 January she sank the  Norwegian whale factory ship Vestfold, which was laden with 17,386 tons of fuel oil, and three British landing craft - HMS LCT-2239, LCT-2267 and LCT-2344 (each 291 tons) - as deck cargo.
On 17 January she torpedoed the Norwegian whale factory ship Vestfold, loaded with 17,386 tons of fuel oil, along with three British landing craft - HMS LCT-2239, LCT-2267 and LCT-2344 (each weighing 291 tons) - as cargo on its deck.