GD130/21 SOUTH CHINA SEA M/V “HUA HU” TOWING DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” FROM 21-05-01.0N 115-09-57.8E TO 21-12-37.9N 115-10-48.2E FROM 21 TO 22 JUN. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA