SM UB-50

For other ships with the same name, see German submarine U-50.
UB-148 at sea, a U-boat similar to UB-50.
History
German Empire
NameUB-50
Ordered20 May 1916[1]
BuilderBlohm & Voss, Hamburg
Cost3,276,000 German Papiermark
Yard number295
Launched6 January 1917
Commissioned12 July 1917
FateSurrendered 16 January 1919; broken up at Swansea[2]
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 516 t (508 long tons) surfaced
  • 651 t (641 long tons) submerged[2]
Length55.30 m (181 ft 5 in) (o/a) [2]
Beam5.80 m (19 ft)[2]
Draught3.68 m (12 ft 1 in)[2]
Propulsion
Speed
  • 13.6 knots (25.2 km/h; 15.7 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged[2]
Range
  • 9,040 nmi (16,740 km; 10,400 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged[2]
Test depth50 m (160 ft)
Complement3 officers, 31 men[2]
Armament
Service record
Part of:
  • Mittelmeer / Mittelmeer II Flotilla
  • 30 September 1917 – 11 November 1918
Commanders:
  • Kptlt. Franz Becker[1]
  • 12 July 1917 – 30 June 1918
  • Oblt.z.S. Heinrich Kukat[1]
  • 1 July – 29 November 1918
Operations: 7 patrols
Victories:
  • 38 merchant ships sunk
    (97,922 GRT)[1]
  • 2 warships sunk
    (16,499 tons)
  • 7 merchant ships damaged
    (25,172 GRT)

SM UB-50 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 20 May 1916. She was commissioned into the Pola Flotilla of the German Imperial Navy on 12 July 1917 as SM UB-50.[Note 1]

The submarine conducted seven patrols and sank 40 ships during the war for a total loss of 97,922 gross register tons (GRT) and 16,499 tons. She operated as part of the Pola Flotilla based in Cattaro. UB-50 surrendered on 16 January 1919 with the remainder of the Pola Flotilla following an order by Admiral Reinhard Scheer to return to port. During her passage through the Straits of Gibraltar, she managed to sink the battleship HMS Britannia. UB-50 was later broken up at Swansea.[2]

  1. ^ a b c d Helgason, Guðmundur. "WWI U-boats: UB 50". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 April 2010.
  2. ^ a b c d e f g h i j Gröner 1991, pp. 25–30.


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