RedactedNarrative: V1 WAS TRAVELLING NORTH ON THE NEVADA SIDE OF THE COLORADO RIVER IN VIOLATION OF THE PROPER NAVIGATION PATTERN.  V2 WAS TRAVELLING SOUTH AND OBSERVED V1, ATTEMPTED TO SWEARVE RIGHT, AND WAS STRUCK BY V1 ON THE LEFT SIDE CAUSING ALL PARTIES TO BE EJECTED.  THE OPERATOR OF V1, AND THE OPERATOR AND PASSENGER OF V2,  WERE TRANSPORTED TO THE HOSPITAL FOR INJURIES BEYOND FIRST AID.