RedactedNarrative: Boat #1 tied off to rig in gulf of mexico with 3 persons on board. the boat was swamped by a wave over transom and began sinking. Operator untied boat and attempted to start the boat. Boat failed to start and sank. The boat was not equipped with a radio or flares to call for help. The subjects were able to put on pfds and tie themselves together. after 3-4 hours the deceased who suffered from diabetes and other medical problems separated himself from the group. Another subject began drinking sea water and became delirious in the night trying to take his pfd off. another person kept him from taking it off through the night. subject did take his pfd off the next day (8/28/2011)and tried to swim up current to a distant rig . person was rescued by a fishing boat near n30'02.007 w087'51.805 at 1500hrs 8/28/2011.at 1535hrs marine police officers recoverd first victim near n29'58.657 w087'50.411. the second person is still missing presumed drown. Owner had recently purchased the 21 foot Bayliner and had not tested it out to sea prior to the fishing trip. He also recently replaced the engine with an evinrude gasoline powered outboard engine. During the installation of a new fuel tank, the subfloor was cut, at which point the vessel lost watertight integrity, which inevitably led to the vessel sinking.
   
NameOfBodyOfWater: Gulf Of Mexico