Date Name Nationality Tonnage Fate 14 September 1916 Italiana United Kingdom 2,663 Sunk 17 September 1916 Dewa United Kingdom 3,802 Sunk 17 September 1916 Lord Tredegar United Kingdom 3,856 Sunk 10 October 1916 Elax United Kingdom 3,980 Sunk 13 October 1916 Welsh Prince United Kingdom 4,934 Sunk 3 November 1916 Statesman United Kingdom 6,153 Sunk 4 November 1916 Clan Leslie United Kingdom 3,937 Sunk 4 November 1916 Huntsvale United Kingdom 5,398 Sunk 6 November 1916 Arabia United Kingdom 7,903 Sunk 12 November 1916 Kapunda United Kingdom 3,383 Sunk 13 December 1916 Bretwalda United Kingdom 4,037 Sunk 14 December 1916 Russian United Kingdom 8,825 Sunk 14 December 1916 Westminster United Kingdom 4,342 Sunk 24 February 1917 Miaoulis Greece 2,918 Sunk 26 February 1917 Clan Farquhar United Kingdom 5,858 Sunk 27 February 1917 Brodmore United Kingdom 4,071 Sunk 28 February 1917 Shinsei Maru Japan 3,060 Sunk 26 March 1917 Ledbury United Kingdom 3,046 Sunk 3 April 1917 Vasilefs Constantinos Greece 4,070 Sunk 1 May 1917 British Sun United Kingdom 5,565 Sunk 7 May 1917 Repton United Kingdom 2,881 Sunk 26 May 1917 Dorothy Greece 4,494 Sunk 10 June 1917 HMS Grafton Royal Navy 7,350 Damaged - - Sunk: Damaged: Total: 99,176 7,350 106,526 -