GD0079 SOUTH CHINA SEA M/V “DE HAI”“HAI YANG SHI YOU 678” “HUA PENG” AND “HAI SHAN” PARTICIPATED IN THE UNDER WATER OPERATION IN 1000M BOTH SIDES FROM THE LINE JOINING 20-24-20.78N 115-24-20.93E，20-32-29.25N 115-34-27.16E，20-24-44.73N 115-17-24.68E AND 20-23-36.20N 115-25-37.10E FROM 25 APR. TO 31 DEC. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED ADVISED TO AVOID AND OTHERS ARE SAME AS N/W GD0041 GUANGDONG MSA CHINA