GD0074 SOUTH CHINA SEA M/V “HAI JIAN 98” AND “SHEN QIAN HAO” PARTICIPATED IN THE UNDER WATER OPERATION IN 1000M BOTH SIDES FROM THE LINE JOINING 20-13-16.93N 115-41-11.17E（LH29-1 PLEM），20-11-33.00N 115-39-55.41E AND 20-11-52.60N 115-20-11.55E AND IN WITHIN 2NM RADIUS OF 20-13-16.93N 115-41-11.17E FROM 20 APR. TO 31 DEC. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED AND OTHERS ARE SAME AS N/W GD0009 GUANGDONG MSA CHINA