NORTH BOHAI SEA MILITARY EXERCISES 301900UTC TO 311000UTC MAR.IN AREA BOUNDED BY 1）40-42.58N 121-11.08E，2）40-52.76N 121-23.28E，3）40-52.03N 121-24.45E，4）40-41.70N 121-12.96E AND IN AREA BOUNDED BY 5）40-21.80N 120-35.30E，6）40-18.91N 120-37.21E，7）40-19.08N 120-37.60E AND IN AREA WITHIN 2 KILOMETERS RADIUS OF 40-27.25N 121-02.10E .ENTERING PROHIBITED. LIAONING MSA CHINA.