SM UC-34

History
German Empire
NameUC-34
Ordered20 November 1915
BuilderBlohm & Voss, Hamburg
Yard number275
Launched6 May 1916
Commissioned25 September 1916
FateScuttled at Pola, 30 October 1918
General characteristics
Class & typeType UC II submarine
Displacement
  • 427 t (420 long tons), surfaced
  • 509 t (501 long tons), submerged
Length
Draught3.65 m (12 ft)
Propulsion
Speed
  • 11.6 knots (21.5 km/h; 13.3 mph), surfaced
  • 6.8 knots (12.6 km/h; 7.8 mph), submerged
Range
  • 10,180 nmi (18,850 km; 11,710 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 54 nmi (100 km; 62 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement26
Armament
Notes35-second diving time
Service record
Part of:
  • Pola / Mittelmeer / Mittelmeer II Flotilla
  • 8 January 1917 – 30 October 1918
Commanders:
  • Oblt.z.S. Robert Sprenger
  • 26 September 1916 – 15 July 1917
  • Oblt.z.S. Horst Obermüller
  • 16 July 1917 – 14 July 1918
  • Oblt.z.S. Hans Schüler
  • 15 July – 30 October 1918
Operations: 9 patrols
Victories:
  • 17 merchant ships sunk
    (51,527 GRT)
  • 1 warship sunk
    (785 tons)
  • 3 auxiliary warships sunk
    (13,808 GRT)
  • 3 merchant ships damaged
    (14,001 GRT)

SM UC-34 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 20 November 1915 and was launched on 6 May 1916. She was commissioned into the German Imperial Navy on 25 September 1916 as SM UC-34. In nine patrols UC-34 was credited with sinking 21 ships, either by torpedo or by mines laid.

On 30 December 1917 under the command of Oberleutnant zur See Horst Obermüller, UC-34 torpedoed the British troop ship HMT Aragon off the Port of Alexandria. Aragon's escort, the destroyer HMS Attack, rescued 300 to 400 survivors but then UC-34 torpedoed and sank her as well. Of 2,500 personnel who had been aboard Aragon, 610 were killed.

UC-34 was scuttled at Pola on 28 October 1918 on the surrender of Austria-Hungary.