RedactedNarrative: V1 and V2 were rented PWC's out of Key Largo. V1 operator was inexperienced in operating PWC. V1 operator got too close to V2 and turned the vessel too sharply causing a crash to the stern of the vessel. V2 operator was struck by V1 and ejected off V2. V2 operator sustained injuries.  V2 operator sustained multiple rib fractures along with separated lining in the lungs; 
  
  Subject was operating a rental PWC when the other PWC he was with (driven by his girlfriend) hit him. Vessel 1 impacted the port side corner of Vessel 2 then ramped up and struck operator of Vessel 2. The impact of Vessel 1 with operator of Vessel 2 caused several broken ribs. The impact also caused some separation of the lining of the lungs.