BOHAI SEA， FROM 280200UTC TO 301600UTC JUN，HEHANGCHENGLONG TRIAL VOYAGE IN THE AREA BOUNDED BY THE LINE JOINING A:38-10N/120-20E； B:38-14N/120-20E； C:38-14N/120-30E； D:38-10N/120-30E。 CAUTION ADVISED. SHANDONG MSA CHINA
