YELLOW SEAM/V “WEIQIAOJIADA 77” TRIAL VOYAGE FROM 160100UTC TO 180900UTC 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