RedactedNarrative: Vessel 1 entered the water at the west boat ramp on holdenville city lake. Vessel 1 drove approx. 1/2 mile east and turned the engine off.  Passenger 4 and passenger 5 entered the water at the front of the vessel and began swimming staying near the ladder at the bow of the vessel.  Victim 1 put on a personal flotation device and jumped off the vessel into the water. Victim 2 and passenger 3 remained on the vessel.  The boat began to drift with the wind creating distance between the vessel and victim 1.  Victim 1 began to yell for help.  Victim 2 dove into the water and began to swim toward victim 1.  Victim 1 went under and victim 2 could no longer see victim 1. Victim 2 began to tire and changed course to get to a tree in the water.  Passenger 3 tried to start the engine of the vessel to get to victim 1.  There was a rope tied off to the rear of the pontoon connected to a floating tube and it became entangled in the prop disabling the vessel.  Passenger 4 entered the water and cut the rope but was unable to get the rope out of the prop. Vessel 1 drifted to the north shore with passengers 3, 4, and 5 and had to later be towed back to the boat ramp.  After victim 2 regained his breath, he swam to the south shoreline and began having heart problems.  Victim 2 was transported to holdenville general hospital and later transferred to oklahoma heart hospital in oklahoma city where he was admitted in stable condition.  Two subjects entered the water on a vessel and began looking for victim 1.  They spotted victim 1 floating face down just below the surface.  They pulled victim 1 into their vessel and took him to the south shore.  They began cpr until hughes county ems arrived and transported victim 1 to holdenville general hospital where he was pronounced deceased.  The pfd that victim 1 was wearing at the time was originally u.s. coast guard approved but was missing a large amount of the built in floatation thus not holding victim 1 up properly.  Area of the accident was approx .53 miles e of the boat ramp and approx 266 ft nw of the point 15 shore and approx 301 feet se of teh north shore.
   