SM U-157

History
German Empire
Name:	U-157
Ordered:	29 November 1916
Builder:	H. C. Stülcken Sohn, Hamburg
Launched:	23 May 1917
Commissioned:	22 September 1917
Fate:	11 November 1918 – Interned at Trondheim, Norway. Surrendered to France on 8 February 1919. Broken up at Brest during July 1921.
General characteristics [1]
Class and type:	German Type U 151 submarine
Displacement:	1,512 tonnes (1,488 long tons) (surfaced); 1,875 tonnes (1,845 long tons) (submerged); 2,272 tonnes (2,236 long tons) (total);
Length:	65.00 m (213 ft 3 in) (o/a); 57.00 m (187 ft) (pressure hull);
Beam:	8.90 m (29 ft 2 in) (o/a); 5.80 m (19 ft) (pressure hull);
Height:	9.25 m (30 ft 4 in)
Draught:	5.30 m (17 ft 5 in)
Installed power:	800 PS (590 kW; 790 bhp) (surfaced); 800 PS (590 kW; 790 bhp) (submerged);
Propulsion:	2 × shafts, 2 × 1.60 m (5 ft 3 in) propellers
Speed:	12.4 knots (23.0 km/h; 14.3 mph) surfaced; 5.2 knots (9.6 km/h; 6.0 mph) submerged;
Range:	25,000 nmi (46,000 km; 29,000 mi) at 5.5 knots (10.2 km/h; 6.3 mph) surfaced, 65 nmi (120 km; 75 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged
Test depth:	50 metres (160 ft)
Complement:	6 officers, 50 enlisted
Armament:	2 50 cm (20 in) bow torpedo tubes ; 18 torpedoes; 2 × 15 cm (5.9 in) SK L/45 deck guns with 1672 rounds; 2 × 8.8 cm (3.5 in) SK L/30 deck guns with 764 rounds;

SM U-157[Note 1] was one of the 329 submarines serving in the Imperial German Navy in World War I. U-157 was engaged in the naval warfare and took part in the First Battle of the Atlantic. [2]

References

"SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

Gröner 1991, pp. 20-21.
Helgason, Guðmundur. "WWI U-boats: U 157". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 January 2010.

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.
Jung, Dieter (2004). Die Schiffe der Kaiserlichen Marine 1914-1918 und ihr Verbleib [German Imperial Navy ships 1914-1918 and their fate] (in German). Bonn: Bernard & Graefe. ISBN 3-7637-6247-7.CS1 maint: ref=harv (link)

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