SM UB-115

For other ships with the same name, see German submarine U-115.

UB-148 at sea, a U-boat similar to UB-115.
History
German Empire
NameUB-115
Ordered6 / 8 February 1917[1]
BuilderBlohm & Voss, Hamburg
Cost3,714,000 German Papiermark
Yard number321
Launched4 November 1917[2]
Commissioned28 May 1918[2]
FateSunk 29 September 1918 by British warships and aircraft at 55°13′N 1°22′W / 55.217°N 1.367°W / 55.217; -1.367[2]
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 519 t (511 long tons) surfaced
  • 649 t (639 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.70 m (12 ft 2 in)
Propulsion
Speed
  • 13.3 knots (24.6 km/h; 15.3 mph) surfaced
  • 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range
  • 7,420 nmi (13,740 km; 8,540 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men[2]
Armament
Service record
Part of:
Commanders:
  • Oblt.z.S. Reinhold Thomsen[3]
  • 28 May – 29 September 1918
Operations: 2 patrols
Victories: 1 merchant ship sunk
(336 GRT)

SM UB-115 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 28 May 1918 as SM UB-115.[Note 1] She was the only German submarine commissioned with the number 115.

UB-115 was sunk by British warships, including HMS Ouse and HMS Star, and the rigid airship R29 at 55°13′N 1°22′W / 55.217°N 1.367°W / 55.217; -1.367 using depth charges and aerial bombs.[2]

  1. ^ Rössler 1979, p. 66.
  2. ^ a b c d e f Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Reinhold Thomsen". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 10 March 2015.


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