 She had one success, sinking a small British freighter on 2 August before she headed for her new home.Her second patrol was more eventful, when on 3 October, after twelve days of cruising, she spotted the 11,000 ton American tanker "ESSO Williamsburg" in the central North Atlantic and sank her with one torpedo, killing 28.This was followed six days later by another success in a similar area, when the 6,000 ton British ship SS "Pennington Court" was sunk by three torpedoes with all 40 sailors on board.