SM UB-70

For other ships with the same name, see German submarine U-70.
UB-148 at sea, a U-boat similar to UB-70.
History
German Empire
NameUB-70
Ordered20 May 1916[1]
BuilderFriedrich Krupp Germaniawerft, Kiel
Cost3,276,000 German Papiermark
Yard number288
Launched7 August 1917[2]
Commissioned12 October 1917[2]
FateLost May 1918
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 513 t (505 long tons) surfaced
  • 647 t (637 long tons) submerged
Length55.83 m (183 ft 2 in) (o/a)
Beam5.80 m (19 ft)
Draught3.67 m (12 ft 0 in)
Propulsion
Speed
  • 13.2 knots (24.4 km/h; 15.2 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 9,090 nmi (16,830 km; 10,460 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:
  • I Flotilla
  • Unknown – 5 May 1918
Commanders:
  • Kptlt. Johannes Remy[3]
  • 29 October 1917 – 5 May 1918
Operations: 2 patrols
Victories: 1 merchant ship sunk
(1,794 GRT)

SM UB-70 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 29 October 1917 as SM UB-70.[Note 1]

UB-70 was serving in the Mediterranean when she departed on her last patrol on 16 April 1918. She was last heard from on 5 May 1918 when she reported herself to be in the Mediterranean Sea east of Gibraltar. She was never seen or heard from again. Her entire crew of 33 men was lost.[4]

  1. ^ Rössler 1979, p. 28.
  2. ^ a b c d Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Johannes Remy". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 8 March 2015.
  4. ^ "UB 70". Uboat.net. Retrieved 11 November 2012.


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