RN Submarines Lost - Full listing Submarine Date of Loss HMS Artemis P449 1 July 1971 HMS Sidon 16 June 1955 HMS Affray 16 April 1951 HMS Truculent P315 12 January 1950 HMS XE11 6 March 1945 HMS Porpoise N14 19 January 1945 HMS Stratagem P234 22 November 1944 HMS Sickle P224 16 June 1944 HMS Syrtis P241 28 March 1944 HMS Stonehenge P232 16 March 1944 HMS X22 7 February 1944 HMS Simoom P225 19 November 1943 HMS Trooper N91 10 October 1943 HMS X10 3 October 1943 HMS Usurper P56 3 October 1943 HMS X5 22 September 1943 HMS X6 22 September 1943 HMS X7 22 September 1943 HMS X8 17 September 1943 HMS X9 16 September 1943 HMS Saracen 14 August 1943 HMS Parthian N75 7 August 1943 HMS Untamed P58 30 May 1943 HMS Sahib P212 24 April 1943 HMS Splendid P228 21 April 1943 HMS Regent N41 18 April 1943 HMS P615 18 April 1943 HMS Thunderbolt N25 14 March 1943 HMS Turbulent N98 14 March 1943 HMS Tigris N63 27 February 1943 HMS Vandal P64 24 February 1943 HMS P311 2 January 1943 HMS P48 25 December 1942 HMS P222 12 December 1942 HMS Traveller N48 4 December 1942 HMS Utmost N19/P41 25 November 1942 HMS Unbeaten N93 11 November 1942 HMS Unique N95 10 October 1942 HMS Talisman N78 17 September 1942 HMS Thorn N11 7 August 1942 HMS P514 21 June 1942 HMS Olympus N35 8 May 1942 HMS Urge N17 27 April 1942 HMS Upholder P37 14 April 1942 HMS P36 1 April 1942 HMS Pandora N42 1 April 1942 HMS P39 26 March 1942 HMS P38 23 February 1942 HMS Tempest N86 13 February 1942 HMS Triumph N18 31 December 1941 HMS H31 20 December 1941 HMS Perseus N36 6 December 1941 HMS Tetrarch N77 27 October 1941 HMS P33 18 August 1941 HMS P32 18 August 1941 HMS Cachalot N83 30 July 1941 HMS Union N56 20 July 1941 HMS Umpire N82 19 July 1941 HMS Undaunted N55 12 May 1941 HMS Usk N65 26 April 1941 HMS Snapper N39 10 February 1941 HMS Triton N15 18 December 1940 HMS Regulus N88 26 November 1940 HMS Swordfish 7 November 1940 HMS H49 18 October 1940 HMS Triad N53 15 October 1940 HMS Rainbow N16 4 October 1940 HMS Thames N71 3 August 1940 HMS Oswald N58 1 August 1940 HMS Spearfish N69 1 August 1940 HMS Narwhal N45 23 July 1940 HMS Phoenix N96 16 July 1940 HMS Salmon N65 9 July 1940 HMS Shark N54 6 July 1940 HMS Orpheus N46 19 June 1940 HMS Grampus N56 16 June 1940 HMS Odin N84 14 June 1940 HMS Seal N37 5 May 1940 HMS Unity N66 29 April 1940 HMS Sterlet N22 18 April 1940 HMS Tarpon N17 10 April 1940 HMS Thistle N24 10 April 1940 HMS Starfish S19 9 January 1940 HMS Undine N48 7 January 1940 HMS Seahorse S98 7 January 1940 HMS Oxley P29 10 September 1939 HMS Thetis N25 1 June 1939 HMS M2 26 January 1932 HMS Poseidon P99 9 June 1931 HMS H47 9 July 1929 HMS H29 9 August 1926 HMS M1 12 November 1925 HMS L24 10 January 1924 HMS L9 18 August 1923 HMS L9 18 January 1923 HMS H42 23 March 1922 HMS K15 25 June 1921 HMS K5 20 January 1921 HMS H41 18 October 1919 HMS L55 9 June 1919 HMS G11 22 November 1918 HMS G7 1 November 1918 HMS J6 15 October 1918 HMS C12 6 October 1918 HMS L10 3 October 1918 HMS E34 20 July 1918 HMS D6 28 June 1918 HMS C3 23 April 1918 HMS C27 5 April 1918 HMS C35 5 April 1918 HMS C26 4 April 1918 HMS E8 4 April 1918 HMS E1 3 April 1918 HMS E9 3 April 1918 HMS E19 3 April 1918 HMS D3 12 March 1918 HMS H5 2 March 1918 HMS E50 1 February 1918 HMS K17 31 January 1918 HMS K4 31 January 1918 HMS E14 28 January 1918 HMS H10 19 January 1918 HMS G8 14 January 1918 HMS K1 18 November 1917 HMS C32 22 October 1917 HMS E36 19 October 1917 HMS G9 16 September 1917 HMS E47 20 August 1917 HMS C34 17 July 1917 HMS C16 16 April 1917 HMS A10 17 March 1917 HMS E49 12 March 1917 HMS K13 29 January 1917 HMS E37 30 November 1916 HMS E30 22 November 1916 HMS E16 22 August 1916 E41 15 August 1916 E4 15 August 1916 B10 5 August 1916 HMS H3 15 July 1916 HMS E26 3 July 1916 HMS E18 2 June 1916 HMS E22 25 April 1916 HMS E24 24 March 1916 HMS E5 7 March 1916 HMS H6 19 January 1916 HMS E17 6 January 1916 HMS E6 26 December 1915 HMS E20 6 November 1915 HMS E7 4 September 1915 HMS C29 29 August 1915 HMS E13 19 August 1915 C33 4 August 1915 AE2 30 April 1915 HMS E15 17 April 1915 HMS E10 18 January 1915 HMS C31 4 January 1915 HMS D2 25 November 1914 HMS D5 3 November 1914 HMS E3 18 October 1914 AE1 14 September 1914 HMS A7 16 January 1914 HMS C14 10 December 1913 HMS E5 8 June 1913 HMS B2 4 October 1912 No 5 8 August 1912 HMS A3 2 February 1912 HMS C11 14 July 1909 HMS A4 16 October 1905 HMS A8 5 June 1905 HMS A5 16 February 1905 HMS A1 18 March 1904
