HB73/22 BOHAI SEA SUBMARINE WORK FOR MV DINGXIN102 IN WEST ANCHORAGE OF QINHUANGDAO PORT FROM 0000UTC TO 1000UTC DAILY FROM 18 TO 19 MAY. ENTERING PROHIBITED WITHIN 0.3 MILES RADIUS OF 39-48.92N/119-36.39E. CAUTION ADVISED. HEBEI MSA CHINA.
