GD184/23 SOUTH CHINA SEA OPERATION AT SEA CARRY OUT BY “BEI HAI JIU 116”、“NAN HAI JIU 131”、“BO RUN JIU ZHOU” IN AREA WITHIN 3NM RADIUS OF 21-16-45N 112-00-00E FROM 4 TO 7 DEC. DAY AND NIGHT AND IN AREA BOUNDED BY 20-46-29N 111-49-30E，20-45-30N 112-06-46E，20-18-27N 112-04-59E AND 20-19-26N 111-47-47E FROM 051600 UTC TO 062000 UTC DEC. ENTERING PROHIBITED CANCEL N/W GD183/23 GUANGDONG MSA CHINA