German Type U 13 submarine

SM U-13 in the Harbour of Kiel (first boat left)
History
Germany
Name:	U-13
Ordered:	23 February 1909
Builder:	Kaiserliche Werft Danzig
Cost:	2,101,000 Goldmark
Yard number:	9
Launched:	16 December 1910
Commissioned:	25 April 1912
Fate:	9 August 1914 – rammed and sunk at 58°22′N 1°16′E / 58.367°N 1.267°E / 58.367; 1.267Coordinates: 58°22′N 1°16′E / 58.367°N 1.267°E / 58.367; 1.267, 23 dead
General characteristics
Class and type:	German Type U 13 submarine
Displacement:	516 t (508 long tons) surfaced 644 t (634 long tons) submerged
Length:	57.88 m (189 ft 11 in)
Beam:	6 m (19 ft 8 in)
Draught:	3.44 m (11 ft 3 in)
Propulsion:	2 shafts 2 × Körting 6-cylinder and 2 × Körting 8-cylinder two stroke paraffin motors with 900 PS (660 kW; 890 shp) 2 × SSW electric motors with 1,040 PS (760 kW; 1,030 shp) 550 rpm surfaced 600 rpm submerged
Speed:	14.8 knots (27.4 km/h; 17.0 mph) surfaced 10.7 knots (19.8 km/h; 12.3 mph) submerged
Test depth:	50 m (160 ft)
Boats & landing craft carried:	1 dingi
Complement:	4 officers, 25 men
Armament:	4 × 45 cm (17.7 in) torpedo tubes (2 each bow and stern) with 6 torpedoes
Service record
Part of:	I Flotilla 1 August 1914 – 10 March 1915
Commanders:	Kptlt. Hans Artur Graf von Schweinitz und Krain 1–12 August 1914
Operations:	1 patrol
Victories:	None

SM U-13 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-13 was engaged in the naval warfare and took part in the First Battle of the Atlantic.