RedactedNarrative: Witness stated victim (operator vessel A) was seen on kayak on pond.  Witness was out of sight of victim, hear splash, returned to area, saw victim struggling in water next to capsized kayak.  Victim continued to struggle while witness encouraged him to let go of the kayak and swim to shore, then victim suddenly quit struggling and went under. Witness swam to victim, pulled to shore, began CPR and called 911.  Victim was transported to hospital where he died.