SM UC-37 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 5 June 1916. She was commissioned into the German Imperial Navy on 17 October 1916 as SM UC-37."SM" stands for "Seiner Majestät" () and combined with the U for Unterseeboot would be translated as His Majesty's Submarine. In 13 patrols UC-37 was credited with sinking 66 ships, either by torpedo or by mines laid. UC-37 was surrendered at Sevastopol on 25 November 1918 and broken up at Bizerta in August 1921.
Design A Type UC II submarine, UC-37 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-37 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.Fate1 January 1917Britannic2,289Sunk2 January 1917Aristotelis C. Ioannou2,868Sunk2 January 1917Dimitrios Goulandris3,744Sunk2 January 1917Notre Dame Du Verger227Sunk3 January 1917Capricieuse156Sunk3 January 1917Fama2,417Sunk4 January 1917Liberte166Sunk4 January 1917Luigi Ciampa3,988Sunk4 January 1917Seemel209Sunk4 January 1917Wragby3,641Sunk5 January 1917Combermere1,718Sunk26 February 1917Gerolamo Ulloa4,283Damaged26 February 1917Victoria1,388Sunk3 March 1917Craigendoran2,789Sunk5 March 1917Salvatore119Sunk27 March 1917Nr. 62200Sunk31 March 1917Galatee3,062Damaged3 April 1917Ernest Simons5,555Sunk3 April 1917Saint Simon3,419Sunk4 April 1917San Giovanni Battiste46Sunk14 April 1917Gange6,886Sunk16 April 1917Sagres2,986Sunk21 April 1917Warrior3,674Sunk28 April 1917Niobe66Sunk29 April 1917Giuseppe Maria99Sunk30 April 1917Colbert5,394Sunk2 May 1917Camerata3,723Damaged5 May 1917Dina Di Lozenzo127Sunk5 May 1917Harmattan4,792Sunk15 June 1917Assunzione3,770Sunk8 August 1917Breton3,739Sunk11 October 1917Unidentified Sailing Vessel14Sunk31 October 1917Evangelistria17Sunk1 November 1917Marigo24Sunk3 November 1917A.S. 16020Sunk3 November 1917Essichia30Sunk5 November 1917Caterina30Sunk23 December 1917Dunedin4,796Damaged12 February 1918Aghios Nicolaos20Sunk14 February 1918Ventmoor3,456Sunk15 February 1918San Rito3,310Sunk17 March 1918Waihemo4,283Sunk21 March 1918Termini1,523Sunk25 March 1918Warturm4,965Damaged26 March 1918Unidentified Sailing Vessel31Sunk26 March 1918Unidentified sailing vessel15Sunk26 March 1918Unidentified Sailing Vessel15Sunk29 March 1918Porto Santo2,801Sunk8 July 1918San Nicola50Sunk14 July 1918Hagios Zion4Sunk15 July 1918Unidentified Sailing Vessel2Sunk15 July 1918Unidentified Sailing Vessel14Sunk17 July 1918Unidentified Sailing vessel35Sunk19 August 1918Marie Suzanne3,106Sunk19 August 1918Unidentified Sailing Vessel58Sunk19 August 1918NN155a30Sunk19 August 1918S919a80Sunk19 August 1918SS16565Sunk19 August 1918V108a60Sunk19 August 1918V13520Sunk19 August 1918V62a30Sunk24 August 1918AS1935Sunk24 August 1918S27535Sunk24 August 1918A59a35Sunk26 August 1918Evangtelistria20Sunk27 August 1918Unidentified Sailing Vessel31Sunk27 August 1918C57a14Sunk28 August 1918V214a12Sunk28 August 1918S804qu53Sunk29 August 1918A56a31Sunk29 August 1918121B124Sunk30 August 19187,350Damaged
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