BOHAI STRAIT, LUANJIAKOU HARBOUR, FROM 180500UTC TO 271500UTC DEC，WEIQIAOJIADA98 AND WEIQIAOJIADA99 TRIAL VOYAGE IN THE AREA BOUNDED BY:
A:37-50.3N/120-24.0E；
B:37-52.5N/120-24.0E；
C:37-52.5N/120-28.0E；
D:37-50.3N/120-28.0E.
CAUTION TO AVOID.
SHANDONG MSA CHINA.