 While en route to her new home port of Cheboygan, Michigan, the "Mackinaw" struck a seawall in Grand Haven, Michigan on December 12, 2005.The accident caused a dent in the bow of the "Mackinaw" on her starboard side.Shortly after the accident, Captain Donald Triner, the commanding officer of the "Mackinaw", was temporarily relieved of duty pending an investigation into the accident.