GD197/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI WU HAO” IN AREA WITHIN 1NM RADIUS OF 20-03-11N 114-09-52E FROM 30 AUG. TO 30 OCT. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
