RedactedNarrative: Operator was last seen around 2330 hrs dropping off passengers on Mackinac Island.  He then went back out for a ride and was not seen till 1145 hrs on the following day.  Operator had run into a channel buoy east of Mackinac Island at high speeds and sustained injuries.
NameOfBodyOfWater: Lake Michigan
NearestCityTown: Mackinac Island               