GD116/21 SOUTH CHINA SEA M/V “DE SHEN” TOWING DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” FROM 21-15-14.4N 114-55-58.2E TO 21-05-01.0N 115-09-57.8E FROM 4 TO 5 JUN. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA