GD201/21 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 681” TOWING DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” FROM 21-20-40N 115-05-15E TO 20-58-52N 114-27-45E FROM 3 TO 5 SEP. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA