How is the flight number of the plane arranged?

1. Arrangement of domestic flight numbers?

1, consisting of the two-character code of each airline plus 4 as the number, and the airline code is published by the Civil Aviation Administration. The last four digits represent the region where the airline base is located.

2. The second digit indicates the destination area outside the flight base (1 is North China, 2 is Northwest China, 3 is South China, 4 is Southwest China, 5 is East China, 6 is Northeast China, 8 is Xiamen and 9 is Xinjiang), the third and fourth digits indicate the serial number of this flight, the odd number indicates the departure flight from the base, and the even number indicates the return flight to the base.

3. According to the flight number, you can quickly know the execution company, flight location and direction of the flight, which is very convenient for management and passengers.

Second, the arrangement of international flight numbers?

1, consisting of the airline code plus three digits, the first digit indicates the airline, the last two digits indicate the flight serial number, odd numbers indicate departure, and even numbers indicate return.

Extended data:

Principles to be followed in flight arrangement:

1. Number flight numbers in numerical order.

2. When compiling domestic flight numbers, flight numbers of other companies shall not be used.

3. When compiling international and regional flight numbers, in principle, they are arranged in 3 digits. If 3 digits are not enough, you can use the 4-digit flight number assigned to the company, but it cannot be duplicated with the domestic flight number of the company.

4. When compiling temporary flight numbers such as overtime and charter flights, they should be arranged within the numerical range assigned to the company's flight numbers, but they should not be duplicate with the scheduled flight numbers of the day.

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