A. Air carriers from European area, the countries of the Commonwealth of Independent States and Mongolia

Foreign Airlines Surveillance Division，Beijing Aviation Safety Surveillance Office, North Regional Administration of CAAC

B. Air carriers from America area, Korea, Japan, DPR Korea

Foreign Airlines Surveillance Division，Shanghai Aviation Safety Surveillance Office, East Regional Administration of CAAC

C. Air carriers from area other than A and B, including Hong Kong Special Administrative Region and Macao Special Administrative Region of China.

Foreign Airlines Surveillance Division，Guangzhou Aviation Safety Surveillance Office, South Regional Administration of CAAC