  H10790/98-- OPR-E346-AHP; 200% SIDE SCAN SONAR LOCATED A SIGNIFICANT CONTACT RESEMBLING A WRECK WITH AN APPARENT HEIGHT OF 1,2 METERS. ECHO-SOUNDER DEVELOPMENT WITH 5-METER LINE SPACING OBTAINED A LD OF 66 FEET (20.3 METERS) IN SURROUNDING DEPTHS OF 70