YELLOW SEA M/V “JINHANGYU 10” TRIAL VOYAGE FROM 122300UTC TO 151100UTC DEC IN AREA BOUNDED BY THE LINES JOINING. 37-00N 123-15E; 37-00N 123-30E; 37-20N 123-30E; 37-20N 123-15E, CAUTION ADVISED. SHANDONG MSA CHINA