GD0030 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” IN AREA WITHIN 1N MILE RADIUS OF 21-27-58N 114-57-30E FROM 18 FEB. TO 18 APR. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
