GD163/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI SHI HAO” IN AREA WITHIN 1NM RADIUS OF 21-39-47N 116-08-59E FROM 29 JUL. TO 29 SEP. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
