Boreas
| Name | Boreas |
| Type | Auxiliary motor |
| GRT | 192 tons |
| Country |  Dutch |
| Built | 1915 |
| Builder | W. Rubertus, Groningen |
| Operator | Jordens & Co., Rotterdam |
| History |
U-boat attacks on Auxiliary motor Boreas
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 May 1917 | UC 71 (Hugo Thielmann) | Sunk | Stopped and sunk 25 miles NW of Ymuiden | Gothenburg - Rotterdam | zinc ore |
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