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SM U-71 was one of 329 submarines serving in the Imperial German Navy in World War I. U-71 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
History | |
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Name | U-71 |
Ordered | 6 January 1915 |
Builder | AG Vulkan, Hamburg |
Yard number | 55 |
Launched | 31 October 1915 |
Commissioned | 20 December 1915 |
Fate | 23 February 1919 - Surrendered to France. Broken up at Cherburg in 1921.[1] |
General characteristics [2] | |
Class and type | Type UE I submarine |
Displacement | |
Length |
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Beam |
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Height | 8.25 m (27 ft 1 in) |
Draught | 4.86 m (15 ft 11 in) |
Installed power | |
Propulsion | 2 shafts |
Speed |
|
Range |
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Test depth | 50 m (164 ft 1 in) |
Complement | 4 officers, 28 enlisted |
Armament |
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Service record | |
Part of: |
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Commanders: | |
Operations: | 12 patrols |
Victories: |
Type UE I submarines were preceded by the longer Type U 66 submarines. U-71 had a displacement of 755 tonnes (743 long tons) when at the surface and 832 tonnes (819 long tons) while submerged.[2] She had a total length of 56.80 m (186 ft 4 in), a pressure hull length of 46.66 m (153 ft 1 in), a beam of 5.90 m (19 ft 4 in), a height of 8.25 m (27 ft 1 in), and a draught of 4.86 m (15 ft 11 in). The submarine was powered by two 900 metric horsepower (660 kW; 890 shp) engines for use while surfaced, and two 900 metric horsepower (660 kW; 890 shp) engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to 50 metres (160 ft).[2]
The submarine had a maximum surface speed of 10.6 knots (19.6 km/h; 12.2 mph) and a maximum submerged speed of 7.9 knots (14.6 km/h; 9.1 mph).[2] When submerged, she could operate for 83 nautical miles (154 km; 96 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 7,880 nautical miles (14,590 km; 9,070 mi) at 7 knots (13 km/h; 8.1 mph). U-71 was fitted with two 50 centimetres (20 in) torpedo tubes (one at the starboard bow and one starboard stern), four torpedoes, and one 8.8 centimetres (3.5 in) deck gun. She had a complement of thirty-two (twenty-eight crew members and four officers).[2]
U-71 came off the stocks at Hamburg (Vulcan) in January 1916, and joined the Kiel School where she remained until 7 April 1916, when she entered the North Sea to join the 1st Half Flotilla.[8]
Date | Name | Nationality | Tonnage[Note 1] | Fate[9] |
---|---|---|---|---|
18 October 1916 | Greta | ![]() |
1,370 | Sunk |
19 October 1916 | Mercur | ![]() |
711 | Sunk |
19 October 1916 | Normandie | ![]() |
1,342 | Sunk |
21 October 1916 | Rönnaug | ![]() |
1,331 | Sunk |
13 December 1916 | Solon | ![]() |
137 | Sunk |
17 December 1916 | Sjofna | ![]() |
528 | Sunk |
18 December 1916 | Herø | ![]() |
1,106 | Sunk |
18 December 1916 | Sieka | ![]() |
119 | Sunk |
19 February 1917 | Halcyon | ![]() |
190 | Sunk |
4 June 1917 | Orion | ![]() |
1,870 | Sunk |
5 June 1917 | C. Thorén | ![]() |
269 | Sunk |
5 June 1917 | Götha | ![]() |
232 | Sunk |
20 July 1917 | Sirra | ![]() |
223 | Sunk |
26 July 1917 | Flore | ![]() |
3,553 | Sunk |
26 July 1917 | Ethelwynne | ![]() |
3,230 | Damaged |
14 August 1917 | Majorka | ![]() |
1,684 | Sunk |
31 August 1917 | Taurus | ![]() |
128 | Sunk |
20 October 1917 | HMT Thomas Stratten | ![]() |
309 | Sunk |
12 December 1917 | Amadavat | ![]() |
171 | Sunk |
31 December 1917 | De Hoop | ![]() |
82 | Captured as prize |
15 August 1918 | HMS Scott | ![]() |
1,801 | Sunk |
15 August 1918 | HMS Ulleswater[Note 2][10][11][12] | ![]() |
930 | Sunk |
20 August 1918 | HMS Shirley | ![]() |
820 | Damaged |
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