GD142/21 SOUTH CHINA SEA M/V “DE ZE” TOWING DRILLING PLATFORM “NAN HAI ER HAO” FROM 21-13-57N 115-31-44E TO 21-36-07N 116-22-17E FROM 7 TO 9 JUL. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA