SM UC-14 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy () during World War I. The U-boat was ordered on 23 November 1914, laid down on 28 January 1915, and was launched on 13 May 1915. She was commissioned into the German Imperial Navy on 5 June 1915 as SM UC-14."SM" stands for "Seiner Majestät" () and combined with the U for Unterseeboot would be translated as His Majesty's Submarine. Mines laid by UC-14 in her 38 patrols were credited with sinking 16 ships, one of which was the Italian pre-dreadnought battleship , which at displacement was one of the largest ships sunk by U-boats during the war. UC-14 was mined and sunk on 3 October 1917.

The submarine's wreck was finally located in September 2023Gezonken Duitse duikboten na 100 jaar geïdentificeerd: bemanning nog aan boord at: VRT, 4th of September 2023, dutch.

Design A Type UC I submarine, UC-14 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 one Benz six-cylinder, four-stroke diesel engine producing , an electric motor producing , and one propeller shaft. She was capable of operating at depths of up to .

The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . UC-14 was fitted with six mine tubes, twelve UC 120 mines, and one machine gun. She was built by AG Weser Bremen and her complement was fourteen crew members.

Summary of raiding history DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate4 December 1915Intrepido680Sunk4 December 1915Re Umberto2,952Sunk8 January 1916Citta Di Palermo3,415Sunk8 January 1916HMD Freuchny84Sunk8 January 1916HMD Morning Star97Sunk20 February 1916HMD Gavenwood88Sunk20 March 1916Ginette272Sunk26 November 1916HMD Finross78Sunk26 November 1916HMD Michaelmas Daisy99Sunk12 December 1916Regina Margherita13,427Sunk30 March 1917HMT Christopher316Sunk9 April 1917HMT Orthos218Sunk23 May 1917HMT Tettenhall227Sunk10 September 1917HMT Loch Ard225Sunk2 October 1917Willing Boys51Sunk7 October 1917Reliance60Sunk

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