BOHAI SEA, FROM 150000UTC TO 181500UTC AUG, TUG HAIYANGSHIYOU 679 TOWING HAIYANGSHIYOU 942, FROM BZ36-1-9 (38-10N/119-56E) TO NB35-2CEPA (39-04N/118-54E), LENGTH OVERALL 550 METERS, SPEED 4 KNOTS. CAUTION ADVISED. SHANDONG MSA CHINA.