RedactedNarrative: Owner/operator states he departed from Offshore Sport Marina at 1530 hrs for a test ride around Fisher's Island (mechanical shake-down). 1740 hrs victim radioed an urgent distress call.  USCG Sector LI Sound Received and dispatched Station Montauk (47') 47301 to respond.  East Hampton Town Police received 911 call reporting fire on board 1 w/pob 5 miles south of Fisher's Island.  Victim donned exposure suit and prepared to abandon boat.  1820 hrs USCG 47301 on scene  of burning vessel and removed 1 person from "Island GIrl".  Vessel burned to waterline nd sank in 88' of water at position 41-09.50N (Cerberus Shoal) 072-55.89W.  Vessel was not anchored.  Victim declined medical attention.  Victim was transported to USCG Station Montauk and initial interview was made by boarding crew and East Hampton Town Police Officer.  Victim stated he was underway and observed his GPS stopped working and went down below to get a bottle of water, observed smoke in the lower cabin.  Opened engine hatch and saw a small fire kindling under engines forward near batter and switches.  Victim states the on board fire fighting system failed to engage.
NameOfBodyOfWater: Block Island Sound
NearestCityTown: Southold Township             