SM UC-4
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History | |
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Name: | UC-4 |
Ordered: | by November 1914[1] |
Builder: | AG Vulcan, Hamburg[2] |
Yard number: | 48[1] |
Launched: | 6 June 1915[1] |
Commissioned: | 10 June 1915[1] |
Fate: | scuttled off Flanders, 5 October 1918[1] |
General characteristics [3] | |
Class & type: | German Type UC I submarine |
Displacement: |
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Length: |
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Beam: | 3.15 m (10 ft 4 in) |
Draft: | 3.04 m (10 ft) |
Propulsion: |
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Speed: |
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Range: |
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Test depth: | 50 m (160 ft) |
Complement: | 14 |
Armament: |
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Service record | |
Part of: |
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Commanders: |
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Operations: | 73 patrols |
Victories: |
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SM UC-4 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat had been ordered by November 1914 and was launched on 6 June 1915. She was commissioned into the German Imperial Navy on 10 June 1915 as SM UC-4.[Note 1] Mines laid by UC-4 in her 73 patrols were credited with sinking 36 ships. UC-4 was scuttled off the coast of Flanders during the German evacuation on 5 October 1918.[1]
Contents
Design
A German Type UC I submarine, UC-4 had a displacement of 168 tonnes (165 long tons) when at the surface and 183 tonnes (180 long tons) while submerged. She had a length overall of 33.99 m (111 ft 6 in), a beam of 3.15 m (10 ft 4 in), and a draught of 3.04 m (10 ft). The submarine was powered by one Daimler-Motoren-Gesellschaft six-cylinder, four-stroke diesel engine producing 90 metric horsepower (66 kW; 89 shp), an electric motor producing 175 metric horsepower (129 kW; 173 shp), and one propeller shaft. She was capable of operating at a depth of 50 metres (160 ft).[3]
The submarine had a maximum surface speed of 6.20 knots (11.48 km/h; 7.13 mph) and a maximum submerged speed of 5.22 knots (9.67 km/h; 6.01 mph). When submerged, she could operate for 50 nautical miles (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 780 nautical miles (1,440 km; 900 mi) at 5 knots (9.3 km/h; 5.8 mph). UC-4 was fitted with six 100 centimetres (39 in) mine tubes, twelve UC 120 mines, and one 8 millimetres (0.31 in) machine gun. She was built by AG Vulcan Stettin and her complement was fourteen crew members.[3]
Summary of raiding history
Date | Name | Nationality | Tonnage[Note 2] | Fate[17] |
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15 August 1915 | Ladoga | ![]() |
6,136 | Sunk |
16 September 1915 | Linnea (n-1) | ![]() |
739 | Sunk |
12 February 1916 | Aduatiek | ![]() |
2,221 | Sunk |
12 February 1916 | Cedarwood | ![]() |
654 | Sunk |
13 February 1916 | Tergestea | ![]() |
4,308 | Sunk |
29 February 1916 | Den of Ogil | ![]() |
5,689 | Damaged |
27 October 1916 | Bygdo | ![]() |
2,345 | Sunk |
28 October 1916 | Sparta | ![]() |
480 | Sunk |
9 November 1916 | Sunniside | ![]() |
447 | Sunk |
25 November 1916 | HMT Burnley | ![]() |
275 | Sunk |
3 December 1916 | HMT Remarko | ![]() |
245 | Sunk |
5 December 1916 | HMT Tervani | ![]() |
457 | Sunk |
7 January 1917 | HMT Donside | ![]() |
182 | Sunk |
18 January 1917 | Dagmar | ![]() |
758 | Sunk |
20 January 1917 | HMT New Comet | ![]() |
177 | Sunk |
13 February 1917 | HMT Sisters Melville | ![]() |
260 | Sunk |
23 February 1917 | Grenadier | ![]() |
1,004 | Sunk |
11 March 1917 | Kwasind | ![]() |
2,211 | Sunk |
12 March 1917 | Ambient | ![]() |
1,517 | Sunk |
12 March 1917 | Pontypridd | ![]() |
1,556 | Sunk |
3 June 1917 | Giralda | ![]() |
46 | Sunk |
4 July 1917 | Chrysolite | ![]() |
57 | Sunk |
7 July 1917 | HMT Kelvin | ![]() |
322 | Sunk |
20 July 1917 | HMS Queen of the North | ![]() |
594 | Sunk |
5 September 1917 | HMT Eros | ![]() |
286 | Sunk |
20 October 1917 | HMT Vitality | ![]() |
202 | Sunk |
11 November 1917 | Lapwing | ![]() |
1,192 | Sunk |
13 November 1917 | Axminster | ![]() |
1,905 | Sunk |
23 December 1917 | Grantley Hall | ![]() |
4,008 | Sunk |
25 February 1918 | Rubio | ![]() |
2,395 | Sunk |
26 February 1918 | Berwen | ![]() |
3,752 | Damaged |
5 March 1918 | Coalgas | ![]() |
2,257 | Sunk |
5 March 1918 | Estrella | ![]() |
1,740 | Sunk |
5 March 1918 | Tusnastabb | ![]() |
1,136 | Sunk |
12 April 1918 | Lonhelen | ![]() |
1,281 | Sunk |
20 April 1918 | HMT Numitor | ![]() |
242 | Sunk |
25 April 1918 | HMS St. Seiriol | ![]() |
928 | Sunk |
26 June 1918 | HMT Achilles II | ![]() |
225 | Sunk |
References
Notes
- ↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
- ↑ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.
Citations
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Tarrant, p. 173.
- ↑ 3.0 3.1 3.2 Gröner 1991, pp. 30-31.
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Bibliography
- Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found.
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