YELLOW SEA M/V “DONGZHAOSHAN” TRIAL VOYAGE FROM 180000UTC TO 180900UTC MAR IN AREA BOUNDED BY THE LINES JOINING. A:37°38′N,122°00′E; B:37°38′N,122°10′E; C:37°40′N,122°00′E; D:37°40′N,122°10′E, CAUTION ADVISED. SHANDONG MSA CHINA