BOHAI STRAIT, YANTAI TO LONGKOU, FROM 070400UTC TO 081200UTC AUG, TUG BEIHAIJIU112 TOWING DEFU2, LENGTH OVERALL 490 METERS, SPEED 5 KNOTS, VIA:
A：37-36.0N,122-27.0E ；
B：37-39.0N,121-25.4E ；
C：37-58.8N,121-00.0E ；
D：38-04.5N,120-27.0E ；
E：37-49.1N,120-10.0E ；
F: 37-40.0N,120-10.0E .
CAUTION TO AVOID.
SHANDONG MSA CHINA.