GD0090 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI SHI HAO” IN AREA WITHIN 1NM RADIUS OF 21-39-46.39N 116-05-42.98E FROM 29 APR. TO 29 JUN. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
