Sydney B. Atwood
| Name | Sydney B. Atwood |
| Type | |
| GRT | 100 tons |
| Country |  American |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sydney B. Atwood
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Aug 1918 | U 156 (Richard Feldt) | Sunk | 30 miles off Seal island |
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