YELLOW SEA M/V “WEIQIAOJIADA 87” TRIAL VOYAGE FROM 130100 TO 170900UTC DEC IN AREA BOUNDED BY THE LINES JOINING. 36-35N 123-15E; 36-35N 123-30E; 37-00N 123-30E; 37-00N 123-15E, CAUTION ADVISED. SHANDONG MSA CHINA