HB0041 BOHAI SEA GUN FIRING IN AREA BOUNDED BY THE LINES JOINING：
（1）39-36.0N/119-40.0E； （2）39-20.0N/119-40.0E；
（3）39-20.0N/119-10.0E； （4）39-36.0N/119-10.0E.
FROM 191600UTC TO 231600UTC JUN. ENTERING PROHIBITED. HEBEI MSA CHINA.
