  L1633/84-- A SUBMERGED WRECK LOCATED BY LORAN C AT 33446.7/ 50230.2.  MCD CONVERTED THE LORAN C TO LAT/LONG TO LAT. 41/41/56N, LONG. 87/30/40W.  THE LENGTH OF KEEL IS 400 FT. THE BOILER IS 8 ' FROM SURFACE AND THE WRECK IS IN 15 FT OF WATER FACING SOUT