BOHAI SEA, FROM 120600UTC OCT TO 121600UTC NOV , UNDERWATER SURVEY CARRIED BY DAHAIGANGWAN67 AND HAISHENGDA16 WITHIN 500 METERS RADIUS OF 37-50.6N 119-41.4E,37-48.6N 119-37.5E,37-50.2N 119-35.3E. VESSELS NOT INVOLVED ENTERING PROHIBITED.
SHANDONG MSA CHINA.