What is the abbreviation of Air China?

The airline code (two-character code) is uniformly stipulated by the International Air Transport Association (IATA), and some airlines may refer to its English translation (such as Air China; Air China), each airline has a separate number. Generally, numbers are used instead of letters (such as Sichuan Airlines; 3U).

Let's be clear about the two-character code and the three-character code first. Airlines are represented by two-character codes, such as CA, MU and HU. Airports are represented by three-character codes, such as Capital International Airport (PEK) and Hongqiao (SHA).

Extended data:

Codes and abbreviations of national airlines. Two-word codes are widely used in airlines.

The service scope of airlines can be divided into intercontinental, intercontinental and domestic, and can also be divided into flight service and charter service. Major airlines usually register call signs with ICAO.

Call sign is usually the name of the airline, but there are exceptions. Add the flight number after the call sign, and some large airlines with full loads will add heavy (cathay-seven-one-seven-heavy) after the call sign to let the air traffic controller know that the flight is extremely heavy and it is impossible to execute some instructions (such as keeping a low speed and flying to a higher altitude).

An airline is an enterprise that provides civil aviation services for passengers and goods with various aircraft, and generally needs an officially recognized operation certificate or approval.

The aircraft used by airlines can be owned or leased, can provide services independently, and can also form partners or alliances with other airlines. The size of an airline can range from a plane carrying mail or goods to an international airline with hundreds of planes providing various global services.

The service scope of airlines can be divided into intercontinental, intercontinental and domestic, and can also be divided into flight service and charter service.

References:

Baidu encyclopedia-airlines