SM UB-19 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: 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 14 ships in 15 patrols for a totel of 11,558 gross register tons (GRT). UB-19 was sunk in the English Channel at 49°56′N 2°45′W on 30 November 1916 by British Q ship HMS Penshurst (Q 7).
SM UB-45, a u-boat similar to UB-19
|Ordered:||30 April 1915|
|Builder:||Blohm & Voss, Hamburg|
|Launched:||2 September 1915|
|Commissioned:||16 December 1915|
|Fate:||sunk by British Q ship, 30 November 1916|
|Class and type:||German Type UB II submarine|
|Draught:||3.70 m (12 ft 2 in)|
|Test depth:||50 m (160 ft)|
|Complement:||2 officers, 21 men|
|Notes:||45-second diving time|
|Victories:||14 merchant ship sunk (11,590 gross register tons (GRT))|
A German Type UB II submarine, ‘’UB-19’’ had a displacement of 263 tonnes (259 long tons) when at the surface and 292 tonnes (287 long tons) while submerged. They had a length overall of 36.13 m (118 ft 6 in), a beam of 4.54 m (14 ft 11 in), and a draught of 3.70 m (12 ft 2 in). The submarine was powered by two Daimler six-cylinder four-stroke diesel engines each producing 284 metric horsepower (209 kW; 280 shp) (a total of 600 metric horsepower (440 kW; 590 shp)), two Siemens-Schuckert electric motors producing 280 metric horsepower (210 kW; 280 shp), and one propeller shaft. She had a dive time of 32 seconds and was capable of operating at a depth of 50 metres (160 ft).
The submarine had a maximum surface speed of 9.15 knots (16.95 km/h; 10.53 mph) and a submerged speed of 5.81 knots (10.76 km/h; 6.69 mph). When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced she could travel 6,650 nautical miles (12,320 km; 7,650 mi) at 5 knots (9.3 km/h; 5.8 mph). UB-19 was fitted with two 50 centimetres (20 in) torpedo tubes in the bow, four torpedoes, and one 5 cm (2.0 in) Tk L/40 deck gun. Her complement was twenty-three crew members.
Summary of raiding history
|18 May 1916||Osprey||18||Sunk|
|24 July 1916||Mars||106||Sunk|
|10 August 1916||San Bernardo||3,803||Sunk|
|4 October 1916||Jennie Bullas||26||Sunk|
|4 October 1916||Jersey||162||Sunk|
|4 October 1916||Rado||182||Sunk|
|5 October 1916||Rover||42||Sunk|
|25 October 1916||Comtesse De Flandre||1,810||Sunk|
|26 October 1916||Iduna||165||Sunk|
|22 November 1916||Houlgate||1,550||Sunk|
|24 November 1916||Jerseyman||358||Sunk|
|27 November 1916||Belle Ile||1,884||Sunk|
|27 November 1916||Visborg||1,343||Sunk|
|30 November 1916||Behrend||141||Sunk|
- "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
- Tonnages are in gross register tons
- Rössler 1979, p. 64.
- Gröner 1991, pp. 23-25.
- Helgason, Guðmundur. "WWI U-boat commanders: Walter Gustav Becker". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 January 2015.
- Helgason, Guðmundur. "WWI U-boat commanders: Erich Noodt". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 January 2015.
- Helgason, Guðmundur. "Ships hit by UB-19". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 26 January 2015.
- Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
- Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
- Rössler, Eberhard (1979). U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 – 1945. Die deutschen U-Boote und ihre Werften (in German). I. Munich: Bernard & Graefe. ISBN 3-7637-5213-7.