SM UC-79 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy () during World War I.
Design A Type UC II submarine, UC-79 had a displacement of when at the surface and while submerged. She had a length overall of , a beam of , and a draught of . The submarine was powered by two six-cylinder four-stroke diesel engines each producing (a total of ), two electric motors producing , and two propeller shafts. She had a dive time of 30 seconds and was capable of operating at a depth of .
The submarine had a maximum surface speed of and a submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . UC-79 was fitted with six mine tubes, eighteen UC 200 mines, three torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one Uk L/30 deck gun. Her complement was twenty-six crew members.
History UC-79 was ordered on 12 January 1916 and was launched on 19 December 1916. She was commissioned into the Imperial German Navy on 22 January 1917 as SM UC-79."SM" stands for "Seiner Majestät" () and combined with the U for Unterseeboot would be translated as His Majesty's Submarine. In eleven patrols UC-79 was credited with sinking 10 ships, either by torpedo or by mines laid. On 28 April 1917, she captured the Danish coaster in the Skagerrak. UC-79 was sunk by a mine off Cap Gris Nez, France in late March or early April 1918. Royal Navy divers located the wreck in that area in August 1918.
Summary of raiding history DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate23 April 1917Ydun645Captured as prize24 April 1917Harald Haarfager475Captured as prize28 April 1917787Captured as prize28 April 1917Storebelt599Captured as prize15 May 1917Ellen786Captured as prize16 May 1917Thorunn990Captured as prize17 May 1917Alexander Shukoff1,652Captured as prize18 May 1917Magnus1,297Captured as prize20 May 1917Otto152Captured as prize20 May 1917Pomona789Captured as prize6 July 1917Rhone1,050Captured as prize8 July 1917Eos838Captured as prize8 July 1917Nyhamn302Captured as prize8 July 1917Storebelt599Captured as prize13 August 1917Emilie Galline1,944Sunk15 October 1917Garthclyde2,124Sunk17 October 1917HMT Ruby251Sunk19 October 1917Renard285Sunk19 October 1917Cupica1,240Sunk21 October 1917Tom Roper120Sunk19 November 1917Jutland2,824Sunk24 November 1917Pomone2,911Sunk31 January 1918Elephant286Sunk2 February 1918HMT Remindo256Sunk
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