Sommerstad
| Name | Sommerstad |
| Type | Steamer |
| GRT | 3,875 tons |
| Country |  Norwegian |
| Built | 1906 |
| Builder | R. Stephenson & Co Ltd, Newcastle |
| Operator | Klaveness Dampskibsselsk. A/S (A. F. Klaveness & Co.), Sandefjord |
| History |
U-boat attacks on Steamer Sommerstad
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Aug 1918 | U 117 (Otto Dröscher) | Sunk | 30 miles SE of the Fire Island LV, New York | 40.00N, 69.00W | Bergen - New York | in ballast | 0 |
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