G6
| Name | G6 |
| Type | Navy Trawler |
| GRT | 213 tons |
| Country |  Italian |
| Built | 1911 |
| Builder | Osaka IW, Sakurajima |
| Operator | Royal Italian Navy |
| History | Built as Kaiko Maru. |
U-boat attacks on Navy Trawler G6
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Aug 1918 | U 63 (Kurt Hartwig) | Sunk | Torpedoed SE of Sicily | 36.26N, 16.20E |
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