SM UB-28

For other ships with the same name, see German submarine U-28.

SM UB-45, a U-boat similar to UB-28
History
German Empire
NameUB-28
Ordered30 April 1915[1]
BuilderAG Weser, Bremen[1]
Cost1,291,000 German Papiermark
Yard number242[1]
Laid down12 July 1915
Launched20 December 1915[1]
Commissioned27 December 1915[2]
FateSurrendered 24 November 1918[2]
General characteristics y
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
  • 8.90 knots (16.48 km/h; 10.24 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. Ernst Rosenow[3]
  • 27 December 1915 – 13 January 1916
Operations: No patrols
Victories: None

SM UB-28 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 20 December 1915. She was commissioned into the German Imperial Navy on 27 December 1915 as SM UB-28.[Note 1]

UB-28 was surrendered to Britain in accordance with the requirements of the Armistice with Germany on 24 November 1918. She was ultimately broken up at Bo'ness in 1919-20.[2]

  1. ^ a b c d Rössler 1979, p. 54.
  2. ^ a b c Gröner 1991, pp. 23–25.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Ernst Rosenow". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.


Cite error: There are <ref group=Note> tags on this page, but the references will not show without a {{reflist|group=Note}} template (see the help page).