YELLOW SEA,YANTAI PORT,FROM 050000UTC TO 050400UTC AUG, PLEASE NAVIGATE WITH CAUTION ANE AVOID THE SHIP CONSTRAINED BY DRAUGHT ENTERING WESTERN HARBOR DISTRICT,WHEN PASSING THROUGH THE AREA:
A：37-57-02N,121-13-34E；
B：37-56-28N,121-08-30E；
C：37-52-53N,121-11-53E；
D：37-54-10N,121-17-48E。
SHANDONG MSA CHINA.