In this screengrab from Coast Guard Cutter Mackinaw's electronic chart, the black circles represent the Mackinaw's position. This point, 18 miles northeast of Locust Point, was the closest the Mackinaw got to the scene. The red line represents Mackinaw's intended trackline north to regain its track toward Pelee Passage after departing from Cleveland, Ohio at 9 a.m. on Saturday, Feb. 7, 2009. At 11:28 a.m. Mackinaw was diverted from its trackline to assist in the mass rescue efforts off Locust Point.