SM UA

For other ships with the same name, see German submarine UA.
History
German Empire
NameUA
Ordered25 September 1912[1]
BuilderGermaniawerft, Kiel
Cost1,729,000 Goldmark
Yard number202
Laid down4 April 1913[1]
Launched9 May 1914[1]
Commissioned14 August 1914[1]
FateSurrendered 24 November 1918; foundered in tow April 1919
General characteristics
Class and typeNorwegian A-class submarine
Displacement
  • 270 t (270 long tons) surfaced
  • 342 t (337 long tons) submerged
Length46.70 m (153 ft 3 in) (OA)
Beam4.78 m (15 ft 8 in)
Draught2.80 m (9 ft 2 in)
Propulsion
  • 2 shafts
  • Germania 6-cylinder four stroke Diesel engine with 700 ihp (520 kW)
  • 2 × SSW modyn by with 380 ihp (280 kW)
  • 450 rpm surfaced
  • 350 rpm submerged
Speed
  • 14.2 knots (26.3 km/h; 16.3 mph) surfaced
  • 7.3 knots (13.5 km/h; 8.4 mph) submerged
Range900 nautical miles (1,700 km; 1,000 mi) at 10 knots (19 km/h; 12 mph)
Test depth50 m (160 ft)
Complement3 officers, 18 men
Sensors and
processing systems		2 × periscopes
Armament
Service record
Part of:
  • Baltic Flotilla
  • Unknown start - 21 May 1916
  • Training Flotilla
  • 21 May 1916 - 11 November 1918
Operations: None
Victories: None

SM UA[Note 1] was a U-boat of the Imperial German Navy during World War I. Built as the fifth submarine of the Norwegian A class the boat was launched 9 May 1914 and confiscated by the German government after the outbreak of World War I on 5 August 1914. Commissioned as SM U 0 on 14 August 1914 the boat was renamed UA two weeks later and assigned to coastal protection. In 1916 UA was transferred to the Uschule (Submarine School).

UA was surrendered to the Allies at Harwich on 24 November 1918 in accordance with the requirements of the Armistice with Germany. She was lost on tow off Folkestone in April 1919 while being transferred from Harwich to a French port.[2] The wreck was identified by archaeologist Innes McCartney in 2013.[3][4]

  1. ^ a b c d Helgason, Guðmundur. "WWI U-boats: UA". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2009.
  2. ^ Gothling, Wolfgang; Lorscher, Oliver; Schnetzke, Simon (2012). AUSGELIEFERT Die deutschen B-Boote 1918-1920 und ihr Verbleib - Eine Dokumentation -. digital business and printing gmbh Berlin. p. 80. ISBN 978-3-00-037421-0.
  3. ^ "Identification of the unique "UA" of the Kaiserliche Marine". Facebook.
  4. ^ Dodson, Aidan; Cant, Serena (2020). Spoils of War: the fate of enemy fleets after the two World Wars. Barnsley: Seaforth. pp. 24, 128. ISBN 978-1-5267-4198-1.


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