SM UC-35 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy () during World War I. The U-boat was ordered on 20 November 1915 and was launched on 6 May 1916. She was commissioned into the German Imperial Navy on 2 October 1916 as SM UC-35."SM" stands for "Seiner Majestät" () and combined with the U for Unterseeboot would be translated as His Majesty's Submarine. In eleven patrols UC-35 was credited with sinking 48 ships, either by torpedo or by mines laid. UC-35 was sunk by gunfire from the French naval trawler Ailly southwest of Sardinia on 16 May 1918 at .
Design A Type UC II submarine, UC-35 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 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-35 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.
Summary of raiding history DateNameNationalityTonnageMerchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.Fate22 February 1917Nostra Signora Del Porto Salvo136Sunk28 February 1917Cassini970Sunk28 February 1917Elisabetta Concettina45Sunk28 February 1917Giustina Madre35Sunk3 March 1917River Forth4,421Sunk4 April 1917City of Paris9,191Sunk9 May 1917Dio Ti Guardi11Sunk9 May 1917L’Oriente11Sunk9 May 1917Peppino Aiello111Sunk9 May 1917San Pietro11Sunk10 May 1917Leone Decimo Terzo78Sunk11 May 1917Limassol100Sunk11 May 1917Luisa Madre85Sunk11 May 1917Carolina87Sunk11 May 1917Rosalia Madre95Sunk11 May 1917Sant’ Antonio40Sunk16 May 1917Hilonian2,921Sunk23 May 1917Pipitsa224Sunk24 May 1917McClure220Sunk25 May 1917Nicolino121Sunk26 May 1917Risorgimento222Sunk3 June 1917Dockleaf5,311Damaged10 June 1917Annam6,075Sunk25 June 1917Anatolia3,847Sunk9 August 1917Alfonso15Sunk9 August 1917S. Gerlano11Sunk14 August 1917Umberto I2,766Sunk17 August 1917Lorenzina Aiello120Sunk17 August 1917San Rossore5,601Damaged26 August 1917Maria Del Carmine108Sunk3 October 1917Elisa178Sunk3 October 1917Giuseppe Ferrante51Sunk11 October 1917Cayo Bonito3,427Sunk11 October 1917Italia3,456Sunk11 October 1917Lovli7,212Sunk13 October 1917Tripoli1,743Damaged12 November 1917Anteo2,774Sunk22 November 1917Kohistan4,732Sunk23 November 1917Luigina278Sunk26 November 1917Pontida5,834Sunk27 November 1917Thornhill3,848Damaged28 November 1917Albert Watts3,302Sunk4 December 1917Alberto Verderame195Sunk31 March 1918Immacolata35Sunk4 April 1918Liberia1,942Sunk5 April 1918Camelia396Sunk3 May 1918Il Francesco116Sunk5 May 1918Carrione65Sunk5 May 1918Il Secondo203Damaged9 May 1918Deipara2,282Sunk12 May 1918Pax798Sunk12 May 1918Togo1,484Sunk15 May 1918Villa De Soller450Sunk
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