SM UC-17 was a German Type UC II minelaying submarine or U-boat in the Imperial German Navy in World War I. She was ordered on 29 August 1915 and launched on 29 February 1916. She was commissioned into the Imperial German Navy on 21 July 1916 as SM UC-17."SM" stands for Seiner Majestäts () and combined with the U for Unterseeboot translates as "His Majesty's Submarine".
In 21 patrols UC-17 was credited with sinking 96 ships by either torpedo or laying mines. They included the Royal Fleet Auxiliary munitions ship , which she torpedoed and sank in the English Channel on 26 March 1918.
Design Like all pre-UC-25 Type UC II submarines, UC-17 had a displacement of when at the surface and while submerged. She had a total length of overall, 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 35 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-17 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.
Fate UC-17 was surrendered on 26 November 1918 and broken up at Preston in 1919–20.
Summary of raiding history DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate6 November 1916Fanelly307Sunk7 November 1916Furulund1,817Sunk7 November 1916Suffolk Coast780Sunk7 November 1916Thuhaug948Sunk10 November 1916HMT Benton Castle283Sunk11 November 1916Seirstad995Sunk14 November 1916Oiz Mendi2,104Sunk14 November 1916Alcyon59Sunk15 November 1916La Rochejacquelein2,199Sunk15 November 1916Torridal688Sunk16 November 1916Eugenie66Sunk16 November 1916Petit Jean126Sunk21 November 1916Faunus749Sunk15 December 1916Constance Mary177Sunk17 December 1916Alerte176Sunk18 December 1916La Vague167Sunk18 December 1916Maria Louis108Sunk18 December 1916Quo Vadis110Sunk20 December 1916Otarie Ii109Sunk20 December 1916Saint Antoine De Padoue32Sunk21 December 1916HMT St. Ives325Sunk24 December 1916Bargany872Sunk25 December 1916Courlis181Sunk28 December 1916Pitho150Sunk28 December 1916Union563Sunk20 January 1917Standard217Sunk22 January 1917Gaulois76Sunk22 January 1917O. A. Brodin1,798Sunk23 January 1917Egypte2,416Sunk23 January 1917Ophelia159Sunk31 January 1917Epsilon3,211Sunk16 February 1917Hermine3,940Sunk18 February 1917Thorgny734Sunk19 February 1917Centurion1,828Sunk19 February 1917HMT Picton Castle245Sunk20 February 1917Falls of Afton1,965Sunk21 February 1917Manningham1,988Sunk22 February 19171,468Sunk22 February 1917Saint Sauveur158Sunk23 February 1917Belgier4,588Sunk23 February 1917Iser2,160Sunk23 February 1917Nyland1,824Sunk24 February 1917Salamis995Sunk25 February 1917Kleber95Sunk26 February 1917Le Lamentin716Sunk7 March 1917Antonio2,652Sunk19 March 1917Rhodora38Sunk21 March 1917Huntscape2,933Damaged22 March 1917Curlew51Sunk22 March 191711,140Sunk23 March 1917Maine3,616Sunk23 March 1917Mexico5,549Damaged24 March 1917Alice61Sunk24 March 1917Boy Walter43Sunk24 March 1917Endeavour25Sunk24 March 1917Enigma24Sunk24 March 1917H.C.G.24Sunk24 March 1917May Flower38Sunk24 March 1917Qui Vive22Sunk24 March 1917Reindeer28Sunk24 March 1917Satanita30Sunk9 May 1917Marchiena170Sunk10 May 1917Veni654Sunk12 May 1917G.L.C.24Sunk12 May 1917Galicia5,922Sunk13 May 1917Anna610Sunk13 May 1917Hudson817Sunk14 May 1917Farley3,692Sunk16 May 1917L’hermite2,189Damaged19 May 1917HMT Kumu315Damaged18 June 1917HMT Borneo211Sunk19 June 1917Kate And Annie96Sunk19 June 1917Mary Ann164Damaged21 June 1917Childe Harold781Sunk21 June 1917Scheria2,727Sunk24 June 1917Clan Davidson6,486Sunk24 June 1917Crown of Arragon4,550Sunk25 June 1917Galena1,073Sunk25 June 1917Saxon Monarch4,828Sunk20 July 1917City Of Florence5,399Sunk21 July 1917Augustus Welt1,221Sunk19 August 1917Brema1,537Sunk21 August 1917Norhilda1,175Sunk8 September 1917Askelad2,823Sunk9 September 1917Tuscarora7,106Damaged16 September 1917Thomas Krag3,569Damaged2 November 1917Cape Finisterre4,380Sunk4 November 1917Border Knight3,724Sunk2 December 1917Tasmania2,089Sunk4 December 1917Forfar3,827Sunk6 December 1917Asaba972Sunk7 February 1918Creosol1,179Sunk7 February 1918Elfi1,120Sunk23 March 1918HMD New Dawn93Sunk24 March 1918War Knight7,951Sunk26 March 1918 Royal Fleet Auxiliary2,516Sunk26 April 1918Sif3,282Damaged29 April 1918Frogner1,476Sunk30 April 1918Isleworth2,871Sunk24 May 1918HMT Gabir219Sunk24 May 1918HMT Yucca198Sunk26 May 1918Thames1,327Sunk30 May 1918Dungeness2,748Damaged28 June 1918Sunniva1,913Sunk8 October 1918Thalia1,308Sunk
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