UB-148 at sea, a U-boat similar to UB-91.
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History | |
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German Empire | |
Name | UB-91 |
Ordered | 6 / 8 February 1917[1] |
Builder | AG Vulcan, Hamburg |
Cost | 3,654,000 German Papiermark |
Yard number | 107 |
Launched | 6 March 1918[2] |
Commissioned | 11 April 1918[2] |
Fate | Surrendered 21 November 1918, broken up in 1921[2] |
General characteristics [2] | |
Class and type | Type UB III submarine |
Displacement | |
Length | 55.52 m (182 ft 2 in) (o/a) |
Beam | 5.76 m (18 ft 11 in) |
Draught | 3.73 m (12 ft 3 in) |
Propulsion |
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Speed |
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Range |
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Test depth | 50 m (160 ft) |
Complement | 3 officers, 31 men[2] |
Armament |
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Service record | |
Part of: |
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Commanders: |
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Operations: | 2 patrols |
Victories: |
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SM UB-91 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 11 April 1918 as SM UB-91.[Note 1]
On 4 October 1918 UB-91 sank the Hirano Maru, killing among others, Yokohama Specie Bank sub-manager S. Ujie, his wife and three sons, together with bank employee Takashi Aoki and wife Sueko.[4][5]
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