yellow SEA， from 302100UTC JUN to 031000UTC JUL，XUN XIAN 6 TRIAL VOYAGE IN AREA BOUNDED BY THE LINES JOINING：
A：36-37.852N/121-13.655E;
B：36-37.852N/121-14.655E;
C：36-23.456N/121-14.655E;
D：36-23.456N/121-13.655E.
CAUTION ADVISED.
