NORTH YELLOW SEA, FROM 102100UTC TO 110200UTC OCT, SUBMERSIBLE OPERATION CARRIED OUT BY SEMI-SUBMERSIBLE VESSEL XINGUANGHUA WITH PLATFORM LINGSHUI17-2， IN AREA WITHIN 650M RADIUS OF 37-58-40N/ 121-29-13E. CAUTION TO AVOID. SHANDONG MSA CHINA.
