GD0112 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 681” TOWING DRILLING PLATFORM “NAN HAI ER HAO” FROM 20-27-39.43N 113-21-56.38E TO 21-13-56.98N 115-31-44.49E FROM 31 MAY TO 3 JUN. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA