Mahopac
| Name | Mahopac |
| Type | Steamer |
| GRT | 3,216 tons |
| Country |  British |
| Built | 1887 |
| Builder | Harland & Wolff, Belfast |
| Operator | Atlantic Transport Co., Ltd., London |
| History |
U-boat attacks on Steamer Mahopac
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 7 Jun 1917 | UB 40 (Hans Howaldt) | Damaged | Torpedoed, beached, refloated. | 50° 44'N, 0° 12'W | London - Philadelphia | general cargo | 0 |
Position of attack on Mahopac
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