MV Indiana Harbor is a very large diesel-powered lake freighter owned and operated by the American Steamship Company.

The ship is 1,000 feet (300 m) long and 105 feet (32 m) wide, with a carrying capacity of 77,500 Net tons of Iron Ore which is the record tonnage through the Soo Locks.

[6] Ten days later, Indiana Harbor ran aground in the St. Clair River.

[7] On September 8, 1993, the ship collided with the Lansing Shoals Light Station.

[8] On January 3, 1996, Indiana Harbor grounded in the St. Marys River and suffered an 8-foot (2.4 m) gash in the port bow.