GD238/21 SOUTH CHINA SEA M/V “DE ZE” TOWING DRILLING PLATFORM “NAN HAI WU HAO” FROM 22-03-11N 114-09-52E TO 19-39-42N 113-45-32E FROM 17 TO 19 NOV. LENGTH OVERALL 300M TO 600M SPEED 3KN TO 6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA