SM UB-52

For other ships with the same name, see German submarine U-52.
UB-148 at sea, a U-boat similar to UB-52.
History
German Empire
NameUB-52
Ordered20 May 1916[2]
BuilderBlohm & Voss, Hamburg
Cost3,276,000 German Papiermark
Yard number297
Launched8 March 1917[1]
Commissioned9 August 1917[1]
FateSunk 23 May 1918 at 41°36′N 18°52′E / 41.600°N 18.867°E / 41.600; 18.867 by HMS H4, all hands lost[1]
General characteristics [1]
Class and typeType UB III submarine
Displacement
  • 516 t (508 long tons) surfaced
  • 651 t (641 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 13.6 knots (25.2 km/h; 15.7 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged
Range
  • 9,040 nmi (16,740 km; 10,400 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[1]
Armament
Service record
Part of:
  • Mittelmeer / Mittelmeer I Flotilla
  • 13 October 1917 – 23 May 1918
Commanders:
  • Oblt.z.S. Otto Launburg
  • 9 August 1917 – 23 May 1918
Operations: 4 patrols
Victories:
  • 12 merchant ships sunk
    (41,411 GRT)
  • 5 merchant ships damaged
    (27,076 GRT)
  • 1 auxiliary warship damaged
    (227 GRT)

SM UB-52 was a German Type UB III submarine or U-boat in the German Imperial Navy (‹See Tfd›German: Kaiserliche Marine) during World War I. She was commissioned into the Pola Flotilla of the German Imperial Navy on 9 August 1917 as SM UB-52.[Note 1]

She operated as part of the Pola Flotilla based in Cattaro. UB-52 was sunk by torpedo on 23 May 1918 at 41°36′N 18°52′E / 41.600°N 18.867°E / 41.600; 18.867 by the British submarine HMS H4 enforcing the Otranto Barrage at the southern end of the Adriatic, with all hands lost.[1]

  1. ^ a b c d e f Gröner 1991, pp. 25–30.
  2. ^ Rössler, p.65


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