BOHAI SEA NORTH, TUG "BEI HAI JIU 118" AND "DONG HAI JIU 158" TOWING THE DRILLING PLATFORM "ZHONG YOU HAI 6" FROM 40°16′26.301″N 120°58′51.012″E TO 40°29′55.962″N 121°42′14.379″E ON 201600UTC TO 211600 UTC MAR. LENGTH OVERALL 525 METERS, SPEED 4 KNOTS. CAUTION ADVISED. LIAONING MSA CHINA.