GD0050 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” IN AREA WITHIN 1N MILE RADIUS OF 21-07-35N 115-21-36E FROM 13 MAR. TO 13 MAY SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
