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SM UB-22[Note 1] was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the German Imperial Navy on 2 March 1915 as SM UB-22. The submarine sank 27 ships in 18 patrols for a total of 16,645 gross register tons (GRT).[5] UB-22 was mined and sunk in the same incident with the torpedoboat SMS S16 in the North Sea at 54°40′N 6°32′E on 19 January 1918 in a British minefield.
![]() SM UB-45, a U-boat similar to UB-22 | |
History | |
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Name | UB-22 |
Ordered | 30 April 1915[1] |
Builder | Blohm & Voss, Hamburg[1] |
Yard number | 252[1] |
Launched | 9 October 1915[1] |
Completed | 1 March 1916[1] |
Commissioned | 2 March 1916 |
Fate | Sunk by mine 19 January 1918 |
General characteristics [2] | |
Class and type | Type UB II submarine |
Displacement | |
Length |
|
Beam |
|
Draught | 3.70 m (12 ft 2 in) |
Propulsion |
|
Speed |
|
Range |
|
Test depth | 50 m (160 ft) |
Complement | 2 officers, 21 men |
Armament |
|
Notes | 45-second diving time |
Service record | |
Part of: |
|
Commanders: | |
Operations: | 18 patrols |
Victories: |
27 merchant ships sunk (16,645 GRT) |
A Type UB II submarine, UB-22 had a displacement of 263 tonnes (259 long tons) when at the surface and 292 tonnes (287 long tons) while submerged. She had a total length of 36.13 m (118 ft 6 in), a beam of 4.36 m (14 ft 4 in), and a draught of 3.70 m (12 ft 2 in). The submarine was powered by two Körting six-cylinder, four-stroke diesel engines each producing a total 280 metric horsepower (280 shp; 210 kW), a Siemens-Schuckert electric motor producing 206 kilowatts (276 shp; 280 PS), and one propeller shaft. She was capable of operating at depths of up to 50 metres (160 ft).[2]
The submarine had a maximum surface speed of 9.15 knots (16.95 km/h; 10.53 mph) and a maximum submerged speed of 5.81 knots (10.76 km/h; 6.69 mph). When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 6,650 nautical miles (12,320 km; 7,650 mi) at 5 knots (9.3 km/h; 5.8 mph). UB-22 was fitted with two 50 centimetres (20 in) torpedo tubes, four torpedoes, and one 5 cm (2.0 in) SK L/40 deck gun. She had a complement of twenty-one crew members and two officers and a 45-second dive time.[2]
Date | Name | Nationality | Tonnage[Note 2] | Fate[6] |
---|---|---|---|---|
20 October 1916 | Drafn | ![]() |
774 | Sunk |
21 October 1916 | Antoinette | ![]() |
912 | Sunk |
21 October 1916 | Theodor | ![]() |
234 | Sunk |
22 October 1916 | Caerloch | ![]() |
659 | Sunk |
22 October 1916 | Gunn | ![]() |
483 | Sunk |
27 October 1916 | Sif | ![]() |
377 | Sunk |
29 October 1916 | Falkefjell | ![]() |
1,131 | Sunk |
5 February 1917 | Resolute | ![]() |
125 | Sunk |
6 February 1917 | Adelaide | ![]() |
133 | Sunk |
6 February 1917 | Romeo | ![]() |
114 | Sunk |
6 February 1917 | Rupert | ![]() |
114 | Sunk |
7 February 1917 | Boyne Castle | ![]() |
245 | Sunk |
7 February 1917 | Shakespeare | ![]() |
210 | Sunk |
9 February 1917 | Benbow | ![]() |
172 | Sunk |
9 February 1917 | Duke of York | ![]() |
150 | Sunk |
10 February 1917 | Athenian | ![]() |
171 | Sunk |
10 February 1917 | Bellax | ![]() |
1,107 | Sunk |
10 February 1917 | Ireland | ![]() |
152 | Sunk |
28 March 1917 | Oakwell | ![]() |
248 | Sunk |
29 April 1917 | Dilston Castle | ![]() |
129 | Sunk |
30 April 1917 | Argo | ![]() |
131 | Sunk |
16 June 1917 | Inge | ![]() |
336 | Sunk |
4 August 1917 | Azira | ![]() |
1,144 | Sunk |
6 August 1917 | Jenny | ![]() |
293 | Sunk |
6 August 1917 | Narcissus | ![]() |
58 | Sunk |
7 November 1917 | Suntrap | ![]() |
1,353 | Sunk |
13 December 1917 | Garthwaite | ![]() |
5,690 | Sunk |
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