&sq=Facebook&lang=en&file=File:USS_Seneca_at_Port_Royal.jpg) USS Seneca
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| History | |
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&sq=Facebook&lang=en&file=File:Naval_jack_of_the_United_States_(1865%E2%80%931867).svg){kind=small}  United States | |
| Name | USS Seneca |
| Builder | J. Simonson |
| Laid down | date unknown |
| Launched | 27 August 1861 at New York City |
| Commissioned | 14 October 1861 at the New York Navy Yard |
| Decommissioned | 24 June 1865 at Norfolk, Virginia |
| Stricken | 1868 (est.) |
| Homeport | Norfolk, Virginia |
| Fate | Sold on 10 September 1868 |
| General characteristics | |
| Class and type | Unadilla-class gunboat |
| Displacement | 691 tons |
| Tons burthen | 507 |
| Length | 158 ft (48 m) (waterline) |
| Beam | 28 ft (8.5 m) |
| Draft | 9 ft 6 in (2.90 m) (max.) |
| Depth of hold | 12 ft (3.7 m) |
| Propulsion | 2 × 200 IHP 30-in bore by 18 in stroke horizontal back-acting engines; single screw |
| Sail plan | Two-masted schooner |
| Speed | 10 kn (11.5 mph) |
| Complement | 114 |
| Armament |
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USS Seneca was a Unadilla-class gunboat built on behalf of the United States Navy for service during the American Civil War. Seneca was outfitted with guns for horizontal fire as well as with two howitzers for bombardment of shore targets. With her crew of 84, she was assigned to the Union blockade of the Confederate States of America.