GD122/21 SOUTH CHINA SEA SEISMIC SURVEY BY M/V “HAI YANG SHI YOU 760” IN AREA BOUNDED BY 21-37-16N 114-35-28E，21-03-43N 114-35-22E，20-53-46N 114-17-50E，21-03-32N 114-10-08E，20-42-55N 113-30-37E，21-13-16N 113-11-42E AND 21-45-06N 114-14-35E FROM 12 JUN. TO 30 JUL. THE VESSEL TOWING 1 CABLE LENGTH 6000M WITH ORANGE RED VISUAL BUOY AT CABLE END FLASHING WHITE LIGHT AT NIGHT SPEED 4.8KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED CROSSING THE CABLE PROHIBITED GUANGDONG MSA CHINA