BOHAI SEA, FROM 140300UTC TO 191600UTC APR,TUG SHENGLI 291 TOWING BOHAIZILIHAO FROM 38°24′36″N, 120°06′52″E TO 39°09′20″N, 119°21′29″E， LENGTH OVERALL 510 METERS, SPEED 4 KNOTS. CAUTION ADVISED. SHANDONG MSA CHINA.
