SM UB-25

SM UB-45, a U-boat similar to UB-25
History
German Empire
NameUB-25
Ordered30 April 1915[1]
BuilderAG Weser, Bremen[1]
Cost1,291,000 German Papiermark
Yard number239[1]
Laid down30 June 1915
Launched22 November 1915[1]
Commissioned11 December 1915
FateSunk in accident 19 March 1917; salvaged; surrendered 26 November 1918; scrapped 1919.
General characteristics [2]
Class and typeType UB II submarine
Displacement
  • 265 t (261 long tons) surfaced
  • 291 t (286 long tons) submerged
Length
Beam
  • 4.36 m (14 ft 4 in) o/a
  • 3.85 m (13 ft) pressure hull
Draught3.66 m (12 ft)
Propulsion
Speed
  • 8.9 knots (16.5 km/h; 10.2 mph) surfaced
  • 5.72 knots (10.59 km/h; 6.58 mph) submerged
Range
  • 7,200 nmi (13,300 km; 8,300 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement2 officers, 21 men
Armament
Notes30-second diving time
Service record
Commanders:
  • Oblt.z.S. Hans Nieland[3]
  • 11 – 24 December 1915
Operations: No patrols
Victories: None

SM UB-25 was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the German Imperial Navy on 11 December 1915 as SM UB-25.[Note 1] The submarine was lost in a collision with SMS V26 in Kiel harbour on 17 March 1917. She was raised on 22 March 1917 by the salvage ship SMS Vulcan and served on as a training boat until surrendered to the Allies at Harwich on 26 November 1918 in accordance with the requirements of the Armistice with Germany. She was sold by the British Admiralty to George Cohen on 3 March 1919 for £750 (excluding her engines), and was broken up at Canning Town.[4]

  1. ^ a b c d Rössler 1979, p. 54.
  2. ^ Gröner 1991, pp. 23–25.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Hans Nieland". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.
  4. ^ Dodson, Aidan; Cant, Serena (2020). Spoils of War: the fate of enemy fleets after the two World Wars. Barnsley: Seaforth. p. 128. ISBN 978-1-5267-4198-1.


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