yellow SEA， from 200030UTC to 240900UTC MAY，lai fu shi 307 TRIAL VOYAGE IN AREA BOUNDED BY THE LINES JOINING：
A：37-57.5N/121-40E;
B：37-57.5N/121-48E;
C：37-53.5N/121-48E;
D：37-53.5N/121-40E。
wide berth ADVISED.
SHANDONG MSA CHINA
