Dux
| Name | Dux |
| Type | Steamer |
| GRT | 1,349 tons |
| Country |  British |
| Built | 1904 |
| Builder | Fredriksstad Mek. Verks., Fredrikstad |
| Operator | The Shipping Controller (H. W. & C. M. Ezard), London |
| History |
U-boat attacks on Steamer Dux
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 May 1918 | U 54 (Hellmuth von Ruckteschell) | Sunk | 7 miles NW of the Godrevy LH | 50.16N, 05.32W | Swansea - La Rochelle | coal | 0 |
| Torpedoed at 5:30am. | ||||||||
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