RedactedNarrative: The operator and two passengers took 14' open motorboat out on Highland Lake to tune the engine. Approximately 500-600ft from shore, the passenger/victim fell out of the boat. The two occupants tried to pull the passenger/victim back into the boat, but the boat capsized. The operator/victim and passenger /victim swam to shore and were treated for hypothermia. The passenger/victim did not make it to shore. The passenger/victim's body was recovered by divers the next day. No PFDS were available.