GD0088 SOUTH CHINA SEA M/V “HAI YANG SHI YOU 681” TOWING DRILLING PLATFORM “NAN HAI SHI HAO” FROM 21-35-03.70N 116-22-32.09E TO 21-39-46.39N 116-05-42.98E FROM 29 TO 30 APR. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA