HB55/22 BOHAI SEA MILITARY MISSION IN AREA BOUNDED BY THE LINES JOINING：
（1）39-36.00N/119-40.00E； （2）39-30.00N/119-40.00E；
（3）39-30.00N/119-48.00E； （4）39-36.00N/119-48.00E.
FROM 0000UTC TO 1000UTC DAILY FROM 15 TO 29 APR. ENTERING PROHIBITED. HEBEI MSA CHINA.