The only Hartford I know of is the old Aurora kit. I built one as a teen, in the early 70s. It was about 2+ feet long, and, like the other Aurora large sailing ships, it had the sails and yards molded as one injected piece. (No vac-form sails for Aurora!)
From the same era, Revell had the USS Kearsarge and CSS Alabama. Maybe you have the Kearsarge and the Hartford mixed up?