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SM UC-71
Career (German Empire)
Name: UC-71
Ordered: 12 January 1916[1]
Builder: Blohm & Voss, Hamburg[2]
Yard number: 287[1]
Launched: 12 August 1916[1]
Commissioned: 28 November 1916[1]
Fate: sunk on way to surrender, February 1919[1]
General characteristics
Class & type: German Type UC II submarine
Displacement: 427 t (471 short tons), surfaced[2]
508 t (560 short tons), submerged
Length: 165 ft 2 in (50.34 m)[2]
Beam: 17 ft 4 in (5.28 m)[2]
Draft: 12 ft 2 in (4 m)[3]
Propulsion: 2 × propeller shafts
2 × 6-cylinder, 4-stroke diesel engines, 500 bhp (370 kW)[3]
2 × electric motors, 460 shp (340 kW)[3]
Speed: 12.0 knots (22.2 km/h), surfaced[2]
7.4 knots (13.7 km/h), submerged
Endurance: 10,420 nautical miles @ 7 knots, surfaced[3]
(19,300 km @ 13 km/h)
52 nautical miles @ 4 knots, submerged[3]
(96 km @ 7.4 km/h)
Test depth: 50 m (160 ft)[3]
Complement: 26[3]
Armament: 6 × 100 cm (39.4 in) mine tubes[3]
18 × UC 200 mines
3 × 50 cm (19.7 in) torpedo tubes (2 bow/external; one stern)
7 × torpedoes
1 × 8.8 cm (3.46 in) KL/30 deck gun[2]
Notes: 35-second diving time[2]

SM UC-71 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German language: Kaiserliche Marine) during World War I. The U-boat was ordered on 12 January 1916 and was launched on 12 August 1916. She was commissioned into the German Imperial Navy on 28 November 1916 as SM UC-71.[Note 1] In 19 patrols UC-71 was credited with sinking 61 ships, either by torpedo or by mines laid. UC-71 sank on 20 February 1919 in the North Sea while on her way to be surrendered.[1]

Notes[edit | edit source]

  1. "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.

References[edit | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Helgason, Guðmundur. "WWI U-boats: UC-71". U-Boat War in World War I. Uboat.net. http://uboat.net/wwi/boats/index.html?boat=UC+71. Retrieved 23 February 2009. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Tarrant, p. 173.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Gardiner, p. 182.

Bibliography[edit | edit source]


Coordinates: 54°10′N 7°54′E / 54.167°N 7.9°E / 54.167; 7.9

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