| History | |
|---|---|
 United States | |
| Launched | 1864 |
| Acquired | 4 February 1865 |
| Commissioned | 1 March 1865 |
| Decommissioned | 30 August 1865 |
| Fate | Sold, 28 May 1867 |
| General characteristics | |
| Displacement | 370 tons |
| Length | 145 ft 7 in (44.37 m) |
| Beam | 23 ft 9 in (7.24 m) |
| Draft | 11 ft 2 in (3.40 m) |
| Propulsion |
|
| Complement | 44 |
| Armament |
|
USS Trefoil was a 370-ton steamer purchased by the Union Navy at the last year of the American Civil War.
Trefoil, with a crew of 44 and a powerful Parrott rifle, was a respectable gunboat; but, the American Civil War was coming to a close, and she was relegated to the role of dispatch boat.