BOHAI SEA, FROM 200300UTC TO 231500UTC JUN,TUG HAIYANGSHIYOU 677 TOWING HAIYANGSHIYOU 921,FROM KL17-1-2（37-39N/119-49E）TO QHD33-1SA（39-09N/119-21E），LENGTH OVERALL 510 METERS, SPEED 4 KNOTS. CAUTION ADVISED. SHANDONG MSA CHINA.
