GD0167 SOUTH CHINA SEA SEISMIC SURVEY BY M/V “HAI YANG SHI YOU 719” IN AREA BOUNDED BY 19-14-36.04N 112-33-17.46E，19-45-54.05N 112-14-07.95E，20-00-14.70N 112-40-56.73E AND 19-28-39.99N 113-00-21.00E FROM 20 AUG. TO 30 OCT. DURING OPERATION THE VESSEL TOWING 6 CABLES LENGTH 5550M WITH YELLOW VISUAL BUOY AT EACH CABLE END FLASHING WHITE LIGHT AT NIGHT SPEED 3.6KN SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED CROSSING THE CABLES AREA PROHIBITED GUANGDONG MSA CHINA