SM UB-57
UB-148 at sea, a U-boat similar to UB-57. | |
| History | |
|---|---|
| German Empire | |
| Name | UB-57 |
| Ordered | 20 May 1916 |
| Builder | AG Weser, Bremen |
| Cost | 3,276,000 German Papiermark |
| Yard number | 269 |
| Laid down | 13 September 1916 |
| Launched | 21 June 1917 |
| Commissioned | 30 July 1917 |
| Fate | Sunk 14 August 1918 at 51°56′N 02°02′E / 51.933°N 2.033°E by a mine, 34 dead |
| General characteristics | |
| Class & 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 |
| Armament |
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| Service record | |
| Part of: |
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| Commanders: |
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| Operations: | 11 patrols |
| Victories: | |
SM UB-57 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 Flanders Flotilla of the German Imperial Navy on 30 July 1917 as SM UB-57.
She operated as part of the Flanders Flotilla based in Zeebrugge. UB-57 was thought to have sunk with all hands at 23:00 on 14 August 1918 at 51°56′N 02°02′E / 51.933°N 2.033°E after striking a mine, but on April 14th 2025, an already marked wreck at a depth of 17 meters, just west of the Westhinder shoal, close to the border with France was formally identified as the UB-57.