SM U-154

History
German Empire
Name:	U-154
Ordered:	29 November 1916
Builder:	Flensburger Schiffbau-Gesellschaft, Flensburg
Launched:	10 September 1917
Commissioned:	12 December 1917
Fate:	Sunk 11 May 1918
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) deck guns with 1672 rounds 2 × 8.8 cm (3.5 in) deck guns with 764 rounds

SM U-154 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-154 was engaged in the naval warfare and took part in the First Battle of the Atlantic.^[2]

On 11 May 1918, U-154 was torpedoed and sunk in the Atlantic Ocean at 36°51′N 11°50′W / 36.850°N 11.833°W by the Royal Navy submarine HMS E35 with the loss of all 77 of her crew.

Notes

1. Gröner 1991, pp. 20-21.
2. Helgason, Guðmundur. "WWI U-boats: U 154". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 January 2010.

Bibliography

• 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.