Torpilleur 317
| Name | Torpilleur 317 |
| Type | Torpedo boat |
| GRT | 100 tons |
| Country |  French |
| Built | 1905 |
| Builder | Chantiers Dubigeon, Nantes |
| Operator | French Navy |
| History |
U-boat attacks on Torpedo boat Torpilleur 317
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Dec 1916 | UC 1 (Oskar Steckelberg) | Sunk | Mined off Calais | 9 |
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