G. P. Harbitz
| Name | G. P. Harbitz |
| Type | Sailing vessel |
| GRT | 673 tons |
| Country |  Norwegian |
| Built | 1876 |
| Builder | Chr. Brinch, Kristiania |
| Operator | A/S G. P. Harbitz (O. M. Halvorsen), Kristiania |
| History |
U-boat attacks on Sailing vessel G. P. Harbitz
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 25 Jul 1915 | U 6 (Reinhold Lepsius) | Sunk | 56° 35'N, 2° 33'E | Dynekilen – West Hartlepool | pit props | 0 |
Position of attack on G. P. Harbitz
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