Operator was having trouble with his PWC.  He flagged a couple down to help him. Operator was tied to another PWC and kept falling off his so he boarded the couples.  Him and the unknown male fell off as well. Operator was struck in the head. It is undertermined which vessel he was struck by at time of report. Operator was able to swim back to shore but was starting to lose conciousness.  While being transported to Spalding Regional, he was transfered to Life Flight. He was treated at Atlanta Medical for severe concussion.
Jackson                       