GD150/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” IN AREA WITHIN 1NM RADIUS OF 21-11-43N 115-08-41E FROM 11 JUL. TO 11 SEP. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
