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From Wikipedia, the free encyclopedia
SM UB-84 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 31 October 1917 as SM UB-84.[Note 1] UB-84 was lost in a collision on 7 December 1917 in the Baltic Sea at 54°35′N 10°11′E.
![]() UB-148 at sea, a U-boat similar to UB-84 | |
History | |
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Name | UB-84 |
Ordered | 23 September 1916[1] |
Builder | AG Weser, Bremen |
Cost | 3,341,000 German Papiermark |
Yard number | 284 |
Laid down | 21 January 1917[2] |
Launched | 3 October 1917[3] |
Commissioned | 31 October 1917[3] |
Fate | Lost in collision, 7 December 1917 at 54°35′N 10°11′E, raised, training boat, surrendered 26 November 1918, broken up[3] |
General characteristics [3] | |
Class and type | Type UB III submarine |
Displacement | |
Length | 55.85 m (183 ft 3 in) (o/a) |
Beam | 5.80 m (19 ft) |
Draught | 3.72 m (12 ft 2 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[3] |
Armament |
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Service record | |
Commanders: |
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Operations: | No patrols |
Victories: | None |
She was later raised and used as a training boat. On 26 November 1918 she was surrendered to the French in accordance with the requirements of the Armistice with Germany and broken up in Brest in 1921.[3]
She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 3 October 1917. UB-84 was commissioned later that same year under the command of Kptlt. Max Bräutigam. Like all Type UB III submarines, UB-84 carried 10 torpedoes and was armed with a 8.8 cm (3.46 in) deck gun. UB-84 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8,180 nautical miles (15,150 km; 9,410 mi). UB-84 had a displacement of 516 t (508 long tons) while surfaced and 647 t (637 long tons) when submerged. Her engines enabled her to travel at 13.4 knots (24.8 km/h; 15.4 mph) when surfaced and 7.5 knots (13.9 km/h; 8.6 mph) when submerged.
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