GD0068 SOUTH CHINA SEA SEISMIC SURVEY BY M/V “HAI YANG SHI YOU 760” IN AREA BOUNDED BY 19-07-45.3N 112-43-20.7E，19-16-53.1N 112-59-44.0E，19-01-29.7N 113-09-12.2E AND 18-52-22.6N 112-52-50.1E FROM 8 APR. TO 31 JUL. THE VESSEL TOWING 6 CABLES LENGTH 6600M WITH ORANGE RED VISUAL BUOY AT EACH CABLE END FLASHING WHITE LIGHT AT NIGHT SPEED 4.2KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED CROSSING THE CABLES AREA PROHIBITED GUANGDONG MSA CHINA