Gro
| Name | Gro |
| Type | Steamer |
| GRT | 2,667 tons |
| Country |  Norwegian |
| Built | 1895 |
| Builder | Wm. Hamilton & Co., Port Glasgow |
| Operator | D/S A/S Avenir (Biørn Biørnstad & Co.), Christiania |
| History |
U-boat attacks on Steamer Gro
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 22 Aug 1917 | UC 47 (Paul Hundius) | Sunk | 6 miles S of Start Point | Glasgow - Rouen | coal | 0 |
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