was a side-wheel steam sloop of war. She was commissioned in 1850. The ship displaced 3,825 tons, and her dimensions were, 250 ft. long and 45 ft. wide. She was considered to be a fairly large ship for her day. Powhatan's armament consisted of:
>> ten 9inch Dahlgren guns in her broadside;
>> a single 11 inch Dahlgren gun on a pivot,
>> five smaller 24 pdr. cannon.Powhatan's steam engines were constructed by Mehaffy and Company of Gosport, Virginia, The vessel cost $785,000.