The torpedo aircraft then had to launch their torpedoes from a steady height of 150 feet while travelling at 90 knots in order to cope with the relatively shallow water. This should have made them sitting ducks for the Anti-Aircraft guns of the Battleships and Cruisers that they were attacking, and heavy casualties were anticipated. In fact only two aircraft were shot down, the crew from one of them surviving as prisoners. Three battleships were hit by torpedoes, one was sunk and the two others seriously damaged.
He started operations by sinking the Belgian Ville de Mons on the 2nd of the month, N.E. of Rockall. Proceeding westward he sank the British Titan on the 4th when N.W. of Rockall, and it is thought that he then fell in with convoy S.C.2, … sinking on the 7th the Norwegian Gro and two British ships, the Jose de Larrinaga and the Neptunian. Following the convoy south-eastwards towards Ireland until after dark on the 8th, he sank two more British vessels, the Poseidon and the Mardinian, about 100 miles N.W. of Malin Head.