Leader
| Name | Leader |
| Type | Fishing vessel |
| GRT | 57 tons |
| Country |  British |
| Built | 1907 |
| Builder | ?, Galmpton |
| Operator | George R. Warman, Lowestoft |
| History | Fishing registration: LT 1069 |
U-boat attacks on Fishing vessel Leader
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 11 Aug 1915 | UB 6 (Erich Haecker) | Sunk | Stopped and scuttled 20 miles ExN of Lowestoft | 0 | |||
| Location also given as 5 miles South of the Smith Knoll Spar Buoy | ||||||||
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