HB211/22 BOHAI SEA SUBMARINE WORK FOR MV WANMINGMINZHU IN WEST ANCHORAGE OF QINHUANGDAO PORT FROM 0030UTC TO 1100UTC DAILY FROM 28 TO 30 SEP. ENTERING PROHIBITED WITHIN 0.3 MILES RADIUS OF 39-51.78N/119-37.91E. CAUTION ADVISED. HEBEI MSA CHINA.
