GD0059 SOUTH CHINA SEA SEISMIC SURVEY BY M/V “HAI YANG SHI YOU 721” IN AREA BOUNDED BY 20-01-31.9N 113-18-16.6E，20-01-51.0N 113-34-04.8E，19-44-06.5N 113-34-27.8E，19-44-25.5N 113-51-46.4E，19-16-29.3N 113-52-18.7E AND 19-15-52.4N 113-19-19.3E FROM 27 MAR. TO 31 JUL. THE VESSEL TOWING 12 CABLES LENGTH 6000M WITH ORANGE VISUAL BUOY AT EACH CABLE END FLASHING WHITE LIGHT AT NIGHT SPEED 4.5KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED CROSSING THE CABLES AREA PROHIBITED GUANGDONG MSA CHINA