  FE387SS/94-- OPR-E696-HE; SIDE SCAN SONAR CONTACT. COMPUTED HEIGHT OF 0.7 METERS IN 12.8 METERS. DIVERS DESCRIBE 25-FOOT LONG PIPE WITH WITH A CEMENT OR METAL BLOCK AT ONE END. PNEUMO. LD OF 11.5 METERS (37 FEET) IN LAT. 36-55-53.368N, LONG. 76-03-03.4