  H10844--OPR-F344-WH-98;  FOUND AN OBSTRUCTION BY SIDE SCAN SONAR.  INVESTIGATION BY DIVERS REVEALED A F-4 AIRCRAFT, 35-40 FEET IN LENGTH.  OBTAINED A LEAST DEPTH OF 53.5 FEET (MLLW) IN LAT. 34/33/38.20N, LONG. 076/51/23.62W (NAD83).  THE INFORMATION OF