GD134/21 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 671” TOWING DRILLING PLATFORM “NAN HAI JIU HAO” FROM 19-39-28.6N 112-23-18.6E TO 19-42-18.7N 112-23-48.9E FROM 28 TO 29 JUN. LENGTH OVERALL 400M SPEED 3KN TO 4KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA