SM UB-19

SM UB-19 was a German Type UB II submarine or U-boat in the German Imperial Navy (Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 2 September 1915. She was commissioned into the German Imperial Navy on 16 December 1915 as SM UB-19. The submarine sank 13 ships in 15 patrols for a total of. UB-19 was sunk in the English Channel at 49.93333°N, -2.75°W on 30 November 1916 by British Q ship HMS Penshurst (Q 7).

Design
A Type UB II submarine, ‘’UB-19’’ had a displacement of 263 t when at the surface and 292 t while submerged. They had a length overall of 36.13 m, a beam of 4.54 m, and a draught of 3.70 m. The submarine was powered by two Daimler six-cylinder four-stroke diesel engines each producing 284 PS (a total of 600 PS), two Siemens-Schuckert electric motors producing 280 PS, and one propeller shaft. She had a dive time of 32 seconds and was capable of operating at a depth of 50 m.

The submarine's top submerged speed was 5.81 knots and its top surface speed was 9.15 knots (16.95 km/h; 10.53 mph). When submerged, she could operate for 45 nmi at 5 kn; when surfaced she could travel 6650 nmi at 5 kn. UB-19 was fitted with two 50 cm torpedo tubes in the bow, four torpedoes, and one 5 cm Tk L/40 deck gun. Her complement was twenty-three crew members.