Macao
| Name | Macao |
| Type | Steamer |
| GRT | 3,557 tons |
| Country |  Brazilian |
| Built | 1912 |
| Builder | Flensburger Schiffbau Ges., Flensburg |
| Operator | Brazilian Government, Rio de Janeiro |
| History |
U-boat attacks on Steamer Macao
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 18 Oct 1917 | U 93 (Helmut Gerlach) | Sunk | 200 miles off Cape Finisterre | 45.41N, 10.43W | Rio de Janeiro - Havre | coffee & cocoa |
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