YELLOW SEAM/V ZHAO SHANG HUA 2 TRIAL VOYAGE FROM 020000UTC TO 050900UTC JUN. IN AREA BOUNDED BY THE LINES JOINING. 37-20N/123-15E; 37-20N/123-25E; 37-00N/123-25E; 37-00N/123-15E. CAUTION ADVISED. SHANDONG MSA CHINA