BOHAI STRAIT, FROM 170400UTC TO 221600UTC FEB, TUG HAIYANGSHIYOU677 TOWING PLATFORM ZHAOSHANGHAILONG5, LENGTH OVERALL 507 METERS, SPEED 4 KNOTS, VIA:
A:38-21-40N/120-05-37E；
B:38-21-00N/120-09-00E；
C:38-37-30N/120-43-30E；
D:38-18-30N/121-25-00E；
E:37-31-00N/122-16-18E；
F:37-28-51N/122-13-48E；
G:37-28-12N/122-13-51E；
H:37-27-50N/122-14-48E.
CAUTION TO AVOID.
SHANDONG MSA CHINA.