GD143/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI ER HAO” IN AREA WITHIN 1NM RADIUS OF 21-36-07N 116-22-17E FROM 8 JUL. TO 8 SEP. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
