1, China International Airlines: 2-digit code-CA; 3-digit code-CCA; 999 is the 3-digit prefix of Air China waybill.
2. China Southern Airlines: 2-digit code-CZ; 3-digit code-CSN; 784 is the 3-digit prefix of its freight order.
3. Eastern Airlines: 2-digit code-MU; 3-digit code-ces; 78 1 is the 3-digit prefix of its waybill.
4. Xiamen Airlines: 2 digits code-MF; 3-digit code-cxa; 73 1 is the 3-digit prefix of its waybill.
5. Shandong Airlines: 2-digit code-SC; 3-digit code-CDG; 324 is the 3-digit prefix of its freight order.
6. Shanghai Airlines: 2-digit code-FM; 3-digit code-CSF; 774 is the 3-digit prefix of its freight order.
The airline's digital code indicates the airline's settlement code, and Air China 999 indicates that all Air China tickets are settled according to 999, which means that the ticket number at the beginning of 999 belongs to Air China, and the ticket number is the three-digit airline settlement code, plus the ticket number of 10, one * * is 13. For example: 999-1112223334.
Extended data:
Usually, the number of civil aviation e-ticket consists of 13 digits, in which the first three digits are the airline code and the last 10 digits are the serial number. For example, Air China code is 999 and Shandong Airlines code is 324.
Airline three-character code: the identification code ordered by ICAO for all aircraft companies in the world, consisting of three English letters. This code is rarely used by the public and is mainly used by air traffic management departments.
Airlines also use a two-character code, that is, the International Air Transport Association, to number airlines, which usually consists of two letters or two letters and numbers, and is generally used in flight dynamic format messages between airlines or related ticketing.
Baidu Encyclopedia-Airline Code List