NORTH YELLOW SEA BOHAI STRAIT BOHAI SEA,TUG "SHENG LI 291"TOWING THE DRILLING PLATFORM "SINOOCEAN VICTORY"FROM 38°56.20′N 121°45.00′E TO 38°16′21.91″N 118°45′29.43″E ON 9TH JUL,LENGTH OVERALL 550 METERS,SPEED 4 KNOTS. CAUTION ADVISED.LIAONING MSA CHINA.