GD37/22 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 684” TOWING DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” FROM 21-44-48N 115-31-15E TO 21-17-42N 115-26-56E FROM 22 TO 23 APR. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA