  LNM1/90 (1/2/90)--CGD8;  REPORTS THE 73-FT F/V BUBBA (CGD8 225-89) WAS CAPSIZED AND PARTIALLY SUNK.  THE VESSEL WAS LAST REPORTED ADRIFT IN APPROXIMATE POSITION LAT. 28/22/01.00N, LONG. 096/12/00.00W (NAD27).  A SUBSEQUENT  AERIAL SEARCH FAILED TO LOCA