GD0017 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 678” TOWING DRILLING PLATFORM “NAN HAI ER HAO” FROM 20-19-10.34N 113-28-53.44E TO 20-11-03.79N 113-56-21.17E FROM 31 JAN. TO 2 FEB. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA