SM UC-37 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (de|Kaiserliche Marine) 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.[1] 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.
A Type UC II submarine, UC-37 had a displacement of 427t when at the surface and 509t while submerged. She had a length overall of 50.35m (165.19feet), a beam of 5.22m (17.13feet), and a draught of 3.650NaN0. The submarine was powered by two six-cylinder four-stroke diesel engines each producing 300PS (a total of 600PS), two electric motors producing 460PS, 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 8.8sp=usNaNsp=us Uk L/30 deck gun. Her complement was twenty-six crew members.
| Date | Name | Nationality | Tonnage[2] | Fate[3] | |
|---|---|---|---|---|---|
| 1 January 1917 | Britannic |  Norway | 2,289 | Sunk | |
| 2 January 1917 | Aristotelis C. Ioannou |  Greece | 2,868 | Sunk | |
| 2 January 1917 | Dimitrios Goulandris | Greece | 3,744 | Sunk | |
| 2 January 1917 | Notre Dame Du Verger |  France | 227 | Sunk | |
| 3 January 1917 | Capricieuse | France | 156 | Sunk | |
| 3 January 1917 | Fama | Norway | 2,417 | Sunk | |
| 4 January 1917 | Liberte | France | 166 | Sunk | |
| 4 January 1917 | Luigi Ciampa | 3,988 | Sunk | ||
| 4 January 1917 | Seemel | 209 | Sunk | ||
| 4 January 1917 | Wragby |  United Kingdom | 3,641 | Sunk | |
| 5 January 1917 | Combermere | 1,718 | Sunk | ||
| 26 February 1917 | Gerolamo Ulloa | 4,283 | Damaged | ||
| 26 February 1917 | Victoria | Greece | 1,388 | Sunk | |
| 3 March 1917 | Craigendoran | United Kingdom | 2,789 | Sunk | |
| 5 March 1917 | Salvatore | 119 | Sunk | ||
| 27 March 1917 | Nr. 62 | 200 | Sunk | ||
| 31 March 1917 | Galatee | France | 3,062 | Damaged | |
| 3 April 1917 | Ernest Simons | France | 5,555 | Sunk | |
| 3 April 1917 | Saint Simon | France | 3,419 | Sunk | |
| 4 April 1917 | San Giovanni Battiste | 46 | Sunk | ||
| 14 April 1917 | Gange | 6,886 | Sunk | ||
| 16 April 1917 | Sagres |  Portugal | 2,986 | Sunk | |
| 21 April 1917 | Warrior | United Kingdom | 3,674 | Sunk | |
| 28 April 1917 | Niobe | 66 | Sunk | ||
| 29 April 1917 | Giuseppe Maria | 99 | Sunk | ||
| 30 April 1917 | Colbert | 5,394 | Sunk | ||
| 2 May 1917 | Camerata | United Kingdom | 3,723 | Damaged | |
| 5 May 1917 | Dina Di Lozenzo | 127 | Sunk | ||
| 5 May 1917 | Harmattan | United Kingdom | 4,792 | Sunk | |
| 15 June 1917 | Assunzione | 3,770 | Sunk | ||
| 8 August 1917 | Breton | France | 3,739 | Sunk | |
| 11 October 1917 | Unidentified Sailing Vessel | 14 | Sunk | ||
| 31 October 1917 | Evangelistria | Greece | 17 | Sunk | |
| 1 November 1917 | Marigo | 24 | Sunk | ||
| 3 November 1917 | A.S. 160 | Greece | 20 | Sunk | |
| 3 November 1917 | Essichia | Greece | 30 | Sunk | |
| 5 November 1917 | Caterina | 30 | Sunk | ||
| 23 December 1917 | Dunedin | United Kingdom | 4,796 | Damaged | |
| 12 February 1918 | Aghios Nicolaos | Greece | 20 | Sunk | |
| 14 February 1918 | Ventmoor | United Kingdom | 3,456 | Sunk | |
| 15 February 1918 | San Rito | United Kingdom | 3,310 | Sunk | |
| 17 March 1918 | Waihemo | United Kingdom | 4,283 | Sunk | |
| 21 March 1918 | Termini | 1,523 | Sunk | ||
| 25 March 1918 | Warturm | United Kingdom | 4,965 | Damaged | |
| 26 March 1918 | Unidentified Sailing Vessel | Greece | 31 | Sunk | |
| 26 March 1918 | Unidentified sailing vessel | Greece | 15 | Sunk | |
| 26 March 1918 | Unidentified Sailing Vessel | Greece | 15 | Sunk | |
| 29 March 1918 | Porto Santo | Portugal | 2,801 | Sunk | |
| 8 July 1918 | San Nicola | Greece | 50 | Sunk | |
| 14 July 1918 | Hagios Zion | Greece | 4 | Sunk | |
| 15 July 1918 | Unidentified Sailing Vessel | Greece | 2 | Sunk | |
| 15 July 1918 | Unidentified Sailing Vessel | Greece | 14 | Sunk | |
| 17 July 1918 | Unidentified Sailing vessel | Greece | 35 | Sunk | |
| 19 August 1918 | Marie Suzanne | United Kingdom | 3,106 | Sunk | |
| 19 August 1918 | Unidentified Sailing Vessel | Greece | 58 | Sunk | |
| 19 August 1918 | NN155a | Greece | 30 | Sunk | |
| 19 August 1918 | S919a | Greece | 80 | Sunk | |
| 19 August 1918 | SS165 | Greece | 65 | Sunk | |
| 19 August 1918 | V108a | Greece | 60 | Sunk | |
| 19 August 1918 | V135 | Greece | 20 | Sunk | |
| 19 August 1918 | V62a | Greece | 30 | Sunk | |
| 24 August 1918 | AS19 | Greece | 35 | Sunk | |
| 24 August 1918 | S275 | Greece | 35 | Sunk | |
| 24 August 1918 | A59a | Greece | 35 | Sunk | |
| 26 August 1918 | Evangtelistria | Greece | 20 | Sunk | |
| 27 August 1918 | Unidentified Sailing Vessel | Greece | 31 | Sunk | |
| 27 August 1918 | C57a | Greece | 14 | Sunk | |
| 28 August 1918 | V214a | Greece | 12 | Sunk | |
| 28 August 1918 | S804qu | Greece | 53 | Sunk | |
| 29 August 1918 | A56a | Greece | 31 | Sunk | |
| 29 August 1918 | 121B | Greece | 124 | Sunk | |
| 30 August 1918 | 7,350 | Damaged |