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SM UB-107

History
German Empire
Name: UB-107
Ordered: 6/8 February 191723 September 1913
Builder: Blohm & Voss, Hamburg
Cost: 3,714,000 German Papiermark
Yard number: 313
Launched: 21 July 1917
Commissioned: 16 February 1918
Fate: sunk 27 July 1918 by British warships at 54°23′N 0°24′W / 54.383°N 0.400°W / 54.383; -0.400Coordinates: 54°23′N 0°24′W / 54.383°N 0.400°W / 54.383; -0.400.
General characteristics
Class and type: German Type UB III submarine
Displacement:
  • 519 t (511 long tons) surfaced
  • 649 t (639 long tons) submerged
Length: 55.30 m (181 ft 5 in) (o/a)
Beam: 5.80 m (19 ft)
Draught: 3.70 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 depth: 50 m (160 ft)
Complement: 3 officers, 31 men
Armament:
Service record
Part of:
  • Flandern II Flotilla
  • 16 May – 4 August 1918
Commanders:
  • Kptlt. Hans Howaldt
  • 16 February – 16 May 1918
  • Kptlt. Eberhard von Prittwitz und Gaffron
  • 17 May – 4 August 1918
Operations: 4 patrols
Victories:
  • 11 merchant ships sunk (26,147 GRT)
  • 1 merchant ship damaged (1,685 GRT)

SM UB-107 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 16 February 1918 as SM UB-107.

The submarine conducted 4 patrols and sank 11 ships during the war for a total loss of 26,147 GRT. UB-107 was sunk on 27 July 1918 by HMS Vanessa and HMT Calvis at 54°23′N 0°24′W / 54.383°N 0.400°W / 54.383; -0.400.

UB-107 was ordered by the GIN on 23 September 1916. She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 21 July 1917. UB-107 was commissioned early the next year . Like all Type UB III submarines, UB-107 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-107 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,420 nautical miles (13,740 km; 8,540 mi). UB-107 had a displacement of 519 t (511 long tons) while surfaced and 649 t (639 long tons) when submerged. Her engines enabled her to travel at 13.3 knots (24.6 km/h; 15.3 mph) when surfaced and 7.4 knots (13.7 km/h; 8.5 mph) when submerged.


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