SM U-50[Note 1] was one of 329 submarines in the Imperial German Navy in World War I. She took part in the First Battle of the Atlantic.

History
German Empire
NameU-50
Ordered4 August 1914
BuilderKaiserliche Werft Danzig
Yard number28
Launched31 December 1915
Commissioned4 July 1916
FateSunk probably by a mine off Terschelling on or after 31 August 1917 [1]
General characteristics [2]
Class and typeType U-43 submarine
Displacement
  • 725 t (714 long tons) surfaced
  • 940 t (930 long tons) submerged
Length65.00 m (213 ft 3 in) (o/a)
Beam
  • 6.20 m (20 ft 4 in) (oa)
  • 4.18 m (13 ft 9 in) (pressure hull)
Height9.00 m (29 ft 6 in)
Draught3.74 m (12 ft 3 in)
Installed power
  • 2 × 2,000 PS (1,471 kW; 1,973 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion2 shafts
Speed
  • 15.2 knots (28.2 km/h; 17.5 mph) surfaced
  • 9.7 knots (18.0 km/h; 11.2 mph) submerged
Range
  • 11,400 nmi (21,100 km; 13,100 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 51 nmi (94 km; 59 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (164 ft 1 in)
Complement36
Armament
Service record
Part of:
  • III Flotilla
  • 4 July 1916 – 31 August 1917
Commanders:
  • Kptlt. Gerhard Berger[3]
  • 4 July 1916 - 31 August 1917
Operations:5 patrols
Victories:27 merchant ships sunk
(92,924 GRT)

U-50 is most notable for sinking the Laconia, formerly an armed merchant cruiser which had returned to passenger service, killing two Americans before the United States had entered the war. Laconia was also the 15th largest ship destroyed by submarine in the war.[4]

Summary of raiding history

edit
DateNameNationalityTonnage[Note 2]Fate[5]
10 November 1916Bogota  United Kingdom4,577Sunk
11 November 1916Løkken  Norway1,954Sunk
11 November 1916Morazan  United Kingdom3,486Sunk
11 November 1916Sarah Radcliffe  United Kingdom3,333Sunk
12 November 1916San Giovanni  Kingdom of Italy1,315Sunk
12 November 1916Stylinai Bebis  Greece3,603Sunk
12 November 1916Ioannis  Greece3,828Sunk
13 November 1916Lela  Kingdom of Italy2,987Sunk
14 November 1916Hatsuse  United Kingdom282Sunk
18 February 1917Jean Pierre  France449Sunk
22 February 1917Blenheim  Norway1,144Sunk
24 February 1917Falcon  United Kingdom2,244Sunk
25 February 1917Aries  United Kingdom3,071Sunk
25 February 1917Huntsman  United Kingdom7,460Sunk
25 February 1917Laconia  United Kingdom18,099Sunk
11 April 1917Sarvsfos  Norway1,462Sunk
19 April 1917Avocet  United Kingdom1,219Sunk
20 April 1917Emma  United Kingdom2,520Sunk
21 April 1917Diadem  United Kingdom4,307Sunk
23 April 1917Dykland  United Kingdom4,291Sunk
23 April 1917Oswald  United Kingdom5,185Sunk
25 April 1917Swanmore  United Kingdom6,373Sunk
7 June 1917Yuba  Norway1,458Sunk
11 June 1917Sigrun  Norway2,538Sunk
16 June 1917Carrie Hervey  United Kingdom111Sunk
21 June 1917Ortona  United Kingdom5,524Sunk
26 June 1917Vonin  Denmark104Sunk

References

edit

Notes

edit
  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. ^ Tonnages are in gross register tons

Citations

edit
  1. ^ Helgason, Guðmundur. "WWI U-boats: U 50". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 December 2014.
  2. ^ Gröner 1991, pp. 8–10.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Gerhard Berger". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 December 2014.
  4. ^ Helgason, Guðmundur. "Ships hit during WWI: Largest ships". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 December 2014.
  5. ^ Helgason, Guðmundur. "Ships hit by U 50". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 December 2014.

Bibliography

edit
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.

55°25′00″N 04°17′00″E / 55.41667°N 4.28333°E / 55.41667; 4.28333