 The "Sea Wing" was rated for a maximum of 350 passengers when the ship towed two passenger barges on its trips.The safety equipment carried consisted of 175 wood floats, 175 cork and tube life preservers, six axes and seven lifeboats with 28 oars.Based in Diamond Bluff, Wisconsin, the "Sea Wing" was jointly owned by Captain David Niles Wethern and Mel Sparks operating as the Diamond Jo Line.