Yankee Buccaneer

A U.S. Navy ship in the first half of the 19th century, under the command of Captain David Porter, is expecting to put ashore after a year on the seas; but the arrival of one of Porter's ex-students, the willful and independent Lt. David Farragut, brings a new mission: to disguise the ship and crew as a pirate ship and help the Navy locate the criminals who have been robbing America's merchant fleet... (imdb)