YELLOW SEA M/V “WEI QIAO JIA DA 58” TRIAL VOYAGE FROM 270100UTC OCT TO 010900UTC NOV IN AREA BOUNDED BY THE LINES JOINING. 36-35N 123-15E; 36-35N 123-30E; 37-20N 123-30E; 37-20N 123-15E, CAUTION ADVISED. SHANDONG MSA CHINA