  NM 25/69;  OBSTN REPORTED: A SEARCH OF AREA FAILED TO REVEAL THE LARGE SUBM OBJECT REPORTED COVERED FROM 4 TO 5 FT AT MLW APPROX 0.5MILES WEST OF BARATARIA PASS LIGHTED BUOY "BP". CHARTED AS OBSTN ED(ENTERED 01/04/05, SME)