BOHAI SEA,TUG HAIYANGSHIYOU677 TOWING ZHONGYOUHAI17 PLATFORM , FROM 140000UTC TO 201600UTC NOV, LENGTH OVERALL 549 METERS, SPEED 4 KNOTS, FROM 38-22.7N 120-06.0E TO 38-23.9N 119-04.1E.VIA 38-21.5N 119-51.0E，38-24.0N 119-30.0E.CAUTION TO AVOID.
SHANDONG MSA CHINA.