WWI U-boats
UB 81
Type | UB III | ||||
| Shipyard | A.G. Weser, Bremen (Werk 281) | ||||
| Ordered | 23 Sep 1916 | Laid down | 5 Jan 1917 | ||
| Launched | 4 Aug 1917 | Commissioned | 18 Sep 1917 | ||
| Commanders |
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| Career | 2 patrols | ||||
| 11 Nov 1917 - 2 Dec 1917 Flandern I Flotilla |
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| Successes | 1 ship sunk for a total of 3,218 tons. | ||||
| Fate | 2 Dec 1917 - Mined 10 miles SE Dunnose Head. Remained partially afloat but flooded when a patrol boat came alongside. 29 dead and 6 survivors. | ||||

