RedactedNarrative: Operator and Passenger had been fishing on the Black River in an open rowboat.  They were attempting to cross the river above a rapids.  Vessel 1 drifted towards the rapids.  Operator/Victim attempted to stop vessel by throwing out the anchor.  The anchor hooked on something in the river and resulted in the Vessel capsizing.  Passenger was able to put on the one PFD on board after the boat overturned.  Passenger stated that the Operator/Victim did not know how to swim.