  H10790/98-- OPR-E346-AHP; 200% SIDE SCAN SONAR LOCATED A SIGNIFICANT CONTACT RESEMBLING A WRECK WITH AN APPARENT HEIGHT OF 2.7 METERS. ECHO-SOUNDER DEVELOPMENT WITH 5-METER LINE SPACING OBTAINED A LD OF 55 FEET (16.9 METERS) IN LAT. 38-47-39.24N, LONG.