  LNM36/88--8TH CGD, 9/1/88;  A 25 FT DERELICT VESSEL REPORTED SUNK IN APPROX. POS. LAT.27-49-11N, LONG. 097-11-01W NAD 83. VESSEL WAS MOVED TO AN UNKNOWN LOCATION NEAR SOUTH SIDE OF CHANNEL NEAR CORPUS CHRISTI LIGHT 31. RECENT SEARCH FAILED TO LOCATE TH