HB8/22 BOHAI SEA DRILLING SURVEY BY MV HAIYANGSHIYOU707 AND NANHAI503 FROM 8 TO 10 JAN IN AREA BOUNDED BY THE LINES JOINING：
（1）39-16.61N/120-05.51E；（2）39-16.61N/120-07.61E；
（3）39-15.00N/120-07.61E；（4）39-15.00N/120-05.51E.
ENTERING PROHIBITED AND CAUTION ADVISED. HEBEI MSA CHINA.