RedactedNarrative: Vessel was tied to boat dock when operator removed his PFD and entered water to remove obstruction from vessel's intake.  Operator was then swept under dock and became trapped.  Operator was able to stick his fingers through dock boards at which time Police personnel were able to hold onto operators fingers.  Fire personnel arrived shortly after and were able to cut dock boards and free operator.
NameOfBodyOfWater: HARLEM RIVER
NearestCityTown: New York