History
German Empire
NameU-157
Ordered29 November 1916
BuilderH. C. Stülcken Sohn, Hamburg
Launched23 May 1917
Commissioned22 September 1917
Fate11 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 typeGerman 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
Beam
  • 8.90 m (29 ft 2 in) (o/a)
  • 5.80 m (19 ft) (pressure hull)
Height9.25 m (30 ft 4 in)
Draught5.30 m (17 ft 5 in)
Installed power
  • 800 PS (590 kW; 790 bhp) (surfaced)
  • 800 PS (590 kW; 790 bhp) (submerged)
Propulsion2 × 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
Range25,000 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 depth50 metres (160 ft)
Complement6 officers, 50 enlisted
Armament
Service record
Part of:
  • U-Kreuzer Flotilla
  • 22 September 1917 – 11 November 1918
Commanders:
  • Kptlt. Max Valentiner
  • 22 September 1917 – 20 July 1918
  • KrvKpt. Ortwin Rave
  • 21 July – 30 November 1918
Operations: 2 patrols
Victories: 15 merchant ships sunk
(15,905 GRT)

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]

Summary of raiding history

Date Name Nationality Tonnage[Note 2] Fate[3]
26 December 1917 Lidia  Portugal 302 Sunk
7 January 1918 Oued Sebou  France 1,540 Sunk
10 January 1918 Hulda Maersk  Denmark 1,566 Sunk
11 January 1918 Norefos  Norway 1,788 Sunk
17 February 1918 Estrella Da Bissao  Portugal 129 Sunk
20 February 1918 Kithira  Greece 2,240 Sunk
14 March 1918 Arpillao  Spain 2,768 Sunk
4 August 1918 Remonstrant  Norway 1,073 Sunk
4 August 1918 Don  Norway 1,145 Sunk
9 August 1918 Orkney  Denmark 291 Sunk
15 August 1918 Kalps  Russian SFSR 284 Sunk
27 August 1918 Gloria  Portugal 120 Sunk
18 September 1918 Ledaal  Norway 2,257 Sunk
22 September 1918 Gaia  Portugal 278 Sunk
8 October 1918 Hawanee  United Kingdom 124 Sunk

References

Notes

  1. ^ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
  2. ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations

  1. ^ Gröner 1991, pp. 20–21.
  2. ^ Helgason, Guðmundur. "WWI U-boats: U 157". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 January 2010.
  3. ^ Helgason, Guðmundur. "Ships hit by U 157". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.

Bibliography

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