BOHAI SEA, FROM 280200UTC TO 311600UTC MAR,TUG BEIHAIJIU 118 TOWING HAIYANGSHIYOU 932 PLATFORM ,FROM 38-16N/119-42E TO 38-17N/118-39E, LENGTH OVERALL 510 METERS, SPEED 4 KNOTS. CAUTION ADVISED. SHANDONG MSA CHINA.