RedactedNarrative: Operator of vessel 1 was running his vessel's small inboard gas engine while tied off to his mooring.  The vessel was sealed tightly against the cold.  Carbon monoxide gas began to leak into the cabin from the engine space, with nowhere to vent out of the vessel.  The deceased was overcome by the fumes, dying of accute carbon monoxide intoxication.  Alcohol was not a factor.
NameOfBodyOfWater: EAST RIVER
NearestCityTown: CITY ISLAND                   