SM UB-32

For other ships with the same name, see German submarine U-32.
"UB-32" redirects here. For the Soviet rocket launcher, see UB-32 (rocket pod).
SM UB-45, a U-boat similar to UB-32
History
German Empire
NameUB-32
Ordered22 July 1915[1]
BuilderBlohm & Voss, Hamburg[1]
Cost1,152,000 German Papiermark[2]
Yard number256[1]
Launched4 December 1915[1]
Completed10 April 1916[1]
Commissioned11 April 1916[2]
Fate
  • Lost after 17 September 1917;
  • Possibly sunk on 22 September 1917[2]
General characteristics [2]
Class and typeType UB II submarine
Displacement
  • 274 t (270 long tons) surfaced
  • 303 t (298 long tons) submerged
Length
Beam
  • 4.37 m (14 ft 4 in) o/a
  • 3.85 m (12 ft 8 in) pressure hull
Draught3.69 m (12 ft 1 in)
Propulsion
Speed
  • 9.06 knots (16.78 km/h; 10.43 mph) surfaced
  • 5.71 knots (10.57 km/h; 6.57 mph) submerged
Range
  • 7,030 nmi (13,020 km; 8,090 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
Notes42-second diving time
Service record
Part of:
  • Baltic Flotilla
  • 25 May 1916 – 24 February 1917
  • Flandern Flotilla
  • 24 February – 22 September 1917
Commanders:
  • Kptlt. Ludwig Karl Sahl[3]
  • 11 April – 4 December 1916
  • Oblt.z.S. Karl Ruprecht[4]
  • 5 December 1916 – 24 February 1917
  • Kptlt. Max Viebeg[5]
  • 25 February – 5 August 1917
  • Oblt.z.S. Benno von Ditfurth[6]
  • 6 August – 22 September 1917
Operations: 16 patrols
Victories:
  • 22 merchant ships sunk
    (42,893 GRT)
  • 2 merchant ships damaged
    (10,743 GRT)
  • 2 auxiliary warships damaged
    (9,190 GRT)

SM UB-32 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 22 July 1915 and launched on 4 December 1915. She was commissioned into the German Imperial Navy on 11 April 1916 as SM UB-32.[Note 1]

The submarine sank 22 ships in 16 patrols. She was last heard from on 17 September 1917 and may have been bombed and sunk by Royal Naval Air Service aircraft in the English Channel on 22 September 1917.[2] The wreck was found in the 1980s but only identified as UB-32 in 2021.

  1. ^ a b c d e Rössler 1979, p. 64.
  2. ^ a b c d e Gröner 1991, pp. 23–25.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Ludwig Karl Sahl". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Karl Ruprecht". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boat commanders: Max Viebeg (Pour le Mérite)". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  6. ^ Helgason, Guðmundur. "WWI U-boat commanders: Benno von Ditfurth". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.


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