NORTH YELLOW SEA, FROM 140000UTC TO 151000UTC FEB， DUAL-FUEL RO-RO TRIAL VOYAGE IN THE AREA BOUNDED BY:
A：37-57.5N/121-40.0E；
B：37-57.5N/121-48.0E；
C：37-53.5N/121-48.0E；
D：37-53.5N/121-40.0E.
FROM 150000UTC TO 201000UTC FEB， DUAL-FUEL RO-RO TRIAL VOYAGE IN THE AREA BOUNDED BY:
E：38-21.0 N /121-47.0 E；
F：38-26.0 N /121-47.0 E；
G：38-26.0 N /121-52.5 E；
H：38-21.0 N /121-52.5 E.
CAUTION TO AVOID.
SHANDONG MSA CHINA.