Arvor
| Name | Arvor |
| Type | Sailing vessel |
| GRT | 52 tons |
| Country |  French |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Arvor
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 Mar 1918 | UB 57 (Johannes Lohs) | Sunk | 1.5 miles NE of Lizard | 49.59N, 05.10W |
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