YELLOW SEAM/V “WEIQIAOJIADA 86” TRIAL VOYAGE FROM 080600UTC TO 100900UTC DEC 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