St. Nikolei
| Name | St. Nikolei |
| Type | Sailing vessel |
| GRT | 150 tons |
| Country |  Russian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel St. Nikolei
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 5 Oct 1916 | UB 42 (Fritz Wernicke) | Sunk | entrence to Karkinit Bay | 45.55N, 32.06E |
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