Helgøy
| Name | Helgøy |
| Type | Steamer |
| GRT | 1,806 tons |
| Country |  Norwegian |
| Built | 1901 |
| Builder | R. Stephenson & Co., Ltd., Newcastle |
| Operator | D/S A/S Øy (Klüver & Co.), Christiania |
| History |
U-boat attacks on Steamer Helgøy
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Jan 1917 | UB 39 (Heinrich Küstner) | Sunk | 10 miles SWxW of Chassiron LH | 45.55N, 01.35W | Blaye - Barry Roads | in ballast | 1 |
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