U-boat Class Launched Commissioned Fate Notes 01SM U-1 01U-1 class 2 October 1909 15 April 1911 Scrapped 1920 02SM U-2 01U-1 class 3 April 1909 22 May 1911 Scrapped 1920 03SM U-3 03U-3 class 8 August 1908 12 September 1909 Sunk 13 August 1915 04SM U-4 03U-3 class 20 November 1908 29 August 1909 Scrapped 1920 05SM U-5 05U-5 class 10 February 1909 1 April 1910 Scrapped 1920 06SM U-6 05U-5 class 12 June 1909 1 July 1910 Scuttled 13 May 1916 10SM U-10 10U-10 class 29 January 1915 12 July 1915 Mined 9 July 1918; scrapped 1918 The former German SM UB-1 11SM U-11 10U-10 class 4 April 1915 20 June 1915 Scrapped 1920 The former German SM UB-15 12SM U-12 05U-5 class 14 March 1911 21 August 1914 Sunk 12 August 1916 Raised and scrapped end of 1916 14SM U-14 14U-14 class 18 July 1912 1 June 1915 Returned to France, 1919; scrapped 1929 Captured French submarine Curie (Q 87) 15SM U-15 10U-10 class April 1915 6 October 1915 Scrapped 1920 16SM U-16 10U-10 class 26 April 1915 6 October 1915 Sunk 17SM U-17 10U-10 class 21 April 1915 6 October 1915 Scrapped 1920 20SM U-20 20U-20 class 18 September 1916 20 October 1917 Sunk Wreck raised in 1962; conning tower on display in Vienna 21SM U-21 20U-20 class 15 August 1916 15 August 1917 Scrapped 1920 22SM U-22 20U-20 class 27 January 1917 23 November 1917 Scrapped 1920 23SM U-23 20U-20 class 5 January 1917 1 September 1917 Sunk 21 February 1918 27SM U-27 27U-27 class 19 October 1916 24 February 1917 Scrapped 1920 28SM U-28 27U-27 class 8 January 1917 26 May 1917 Scrapped 1920 29SM U-29 27U-27 class 21 October 1916 21 January 1917 Scrapped 1920 30SM U-30 27U-27 class 27 December 1916 17 February 1917 Went missing after 31 March 1917 31SM U-31 27U-27 class 28 March 1917 24 April 1917 Scrapped 1920 32SM U-32 27U-27 class 11 May 1917 29 June 1917 Scrapped 1920 40SM U-40 27U-27 class 21 April 1917 4 August 1917 Scrapped 1920 41SM U-41 27U-27 class 11 November 1917 19 February 1918 Scrapped 1920 43SM U-43 43U-43 class 8 April 1916 30 July 1917 Scrapped 1920 The former German SM UB-43 47SM U-47 43U-43 class 17 June 1916 30 July 1917 Scrapped 1920 The former German SM UB-47