Brothertoft
| Name | Brothertoft |
| Type | Trawler |
| GRT | 155 tons |
| Country |  British |
| Built | 1891 |
| Builder | Earle’s Shipbuilding & Engineering Co Ltd, Hull, |
| Operator | Boston Deep Sea Fishing & Ice Co. Ltd., Boston |
| History |
U-boat attacks on Trawler Brothertoft
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 15 Apr 1917 | UC 31 (Otto von Schrader) | Sunk | North Sea about 55°50’N, 01°30’E | 55° 50'N, 1° 30'E |
Position of attack on Brothertoft
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