HB24/22 BOHAI SEA DRILLING SURVEY BY MV HAIYANGSHIYOU707 AND NANHAI503 FROM 4 TO 10 FEB IN AREA BOUNDED BY THE LINES JOINING：
（1）39-14.96N/119-42.35E；
（2）39-14.96N/119-44.44E；
（3）39-13.35N/119-44.44E；
（4）39-13.35N/119-42.35E.
ENTERING PROHIBITED AND CAUTION ADVISED. HEBEI MSA CHINA.