SM UB 125
| SM UB 125 ( previous / next - all submarines ) |
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| O 6 | ||
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 SM UB 125 in Japan, 1919 |
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| Construction data | ||
| Submarine type: | Two-hull boat | |
| Type: | UB III | |
| Builder: | AG Weser , Bremen | |
| Launch: | April 16, 1918 | |
| Commissioning: | May 18, 1918 | |
| Technical specifications | ||
| Displacement: | 512 tons (above water) 643 tons (under water) |
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| Length: | 55.85 m | |
| Width: | 5.80 m | |
| Draft: | 3.72 m | |
| Pressure body ø: | ||
| Max. Diving depth: | 50 m | |
| Dive time: | ||
| Drive: | Diesel engines 1060 PS E-machines 788 PS |
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| Speed: | 13.9 knots (above water) 7.6 knots (under water) |
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| Armament: | 4 bow and 1 stern tubes 1 × 10.5 cm deck gun |
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| Mission data | ||
| Commanders: |
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| Crew (target strength): | 3 officers 31 men |
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| Calls: | 2 | |
| Successes: | 4 sunk merchant ships | |
| Whereabouts: | Delivered to Japan on November 20, 1918. 1920–1921 in service as the O 6 . | |
SM UB 125 was a German submarine of the type UB III of the Imperial Navy during the First World War . After the war, the submarine briefly served as O 6 in the Imperial Japanese Navy .
Calls
UB 125 was launched on 16 April 1918 in the AG Weser in Bremen from the stack and was placed on 18 May 1918 by Kptlt. Fritz Schubert in service. The boat carried out two patrols in the Irish Sea and the Bristol Channel during the First World War . A total of four merchant ships from the Entente and neutral states with a total tonnage of 11,552 GRT were sunk and another was damaged.
On July 21, 1918 UB 125 came to the front, where Oblt.zS Werner Vater took command of the boat. The first venture (August 18, 1918 - September 15, 1918) led UB 125 from Heligoland to the Cornish coast. UB 125 achieved its first success with the sinking of the Spanish freighter Atxeri Mendi (2,424 GRT ) four nautical miles off Tuskar Rock , which was continued the following day with the sinking of the American steamer Onega (3,636 GRT ) at Trevose Head. On September 1, the British steamer Acter (6082 BRT ) was damaged by a torpedo shot from a convoy. However, the ship was able to call at Milford Haven on its own. On September 3, the Portuguese steamer Brava (3,184 GRT ) and the American freighter Lake Owens (2,308 GRT ) were sunk off the coast of Cornwall by an OB gunshot. On its way back, the boat sank the abandoned Danish sailor Skjold, who was wrecked by UC 40 on September 3 and drifting on his cargo of wood, by gunfire.
The second venture (October 13, 1918 - November 11, 1918) took UB 125 off the west coast of Ireland. When it became clear in autumn 1918 that the war could no longer be ended successfully by military means, the Imperial Navy planned to fight the Royal Navy in one last major battle ("honorable downfall") ( fleet order of October 24, 1918 ). On October 21, the boat received the order to end the trade war and to support the planned operation of the deep sea fleet. When the fleet did not advance, UB 125 returned to Wilhelmshaven.
Whereabouts
UB 125 was delivered to Japan on November 20, 1918 . There it was put into service as O 6 from 1920-1921 and broken up in Kure in 1921.
literature
- Herald Bendert: The submarines of the Imperial Navy 1914–1918. Stakes - successes - fate. Mittler Verlag, 2000, ISBN 3-8132-0713-7 .
- Erich Gröner : The German warships 1815-1945, Volume 3. Bernard & Graefe Verlag, Koblenz 1985, ISBN 3-7637-4802-4 .
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