Torpediniere 5 Pn
| Name | Torpediniere 5 Pn |
| Type | Torpedo boat |
| GRT | 120 tons |
| Country |  Italian |
| Built | 1911 |
| Builder | Pattison, Naples |
| Operator | Royal Italian Navy |
| History |
U-boat attacks on Torpedo boat Torpediniere 5 Pn
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Jun 1915 | UB 1 (Franz Wäger) | Sunk | Torpedoed in the Gulf of Venice | ||||
| While still under German command during trials; the submarine later became the Austrian U 10. | ||||||||
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