At 01:05 on 12 September, "U-211" fired torpedoes, and damaged two British ships; the 6,849-ton merchant ship "Empire Moonbeam" was hit once, and the 13,797-ton whale factory ship "Hektoria" twice. Both vessels were sunk by "U-608" later that day. "Hektoria" was sunk at 03:51 with the loss of one crewman, while the master, 76 crewmen and eight gunners were picked up by . "Empire Moonbeam" was sunk at 04:59 with the loss of three of her crew, while the master, 44 crewmen, six gunners and one passenger were also picked up by "Arvida".