Walpas
| Name | Walpas |
| Type | Sailing vessel |
| GRT | 312 tons |
| Country |  Russian |
| Built | 1901 |
| Builder | E. Ekland, Rauma |
| Operator | Aug. Westberg, Rauma |
| History |
U-boat attacks on Sailing vessel Walpas
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 27 Apr 1918 | U 91 (Alfred von Glasenapp) | Sunk | Sunk by gunnery 15 miles WxN of Bardsey Island | Fleetwood - Cadiz | pitch |
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