BOHAI SEA, FROM 260500UTC TO 271500UTC MAY,TUG HAIYANGSHIYOU 677 TOWING BOHAI 5 HAO,FROM BZ29-4-9（38-12N/119-46E）TO BZ29-4-10D（38-09N/119-45E），LENGTH OVERALL 500 METERS, SPEED 4 KNOTS. CAUTION ADVISED. SHANDONG MSA CHINA.
