MOC is the abbreviation of Maintenance Operations Center, which is translated as Maintenance Operations Center, and is an important institution in the civil aviation industry. The role of the main operation center is to maintain the normal operation of flights, including monitoring the safety, reliability and punctuality of flights, arranging aircraft maintenance and repair plans, allocating spare parts and manually arranging maintenance work. The main operation center is an information center, which needs to use advanced technical means and management methods to ensure the flight safety of aircraft and the punctual operation of flights.

The work of the main operation center is mainly divided into two parts: first, daily maintenance work, including aircraft inspection, repair and maintenance; The second is unconventional maintenance treatment, such as door failure, engine failure and so on. MOC coordinates flight maintenance according to the crew's reflection and maintenance records, including dispatching maintenance personnel, spare parts and related equipment, ensuring that maintenance tasks are completed within the specified time as required, and ensuring the safe and punctual flight operation.

The main operation center is one of the important functional departments of airlines, with great responsibility and significance. The main operation center is the core of the whole airline maintenance work and plays an important role in the airline operation. The main operation center plays a key role in the smooth operation of flights and the safety of passengers, which ensures the normal use of aircraft and the reliability and close cooperation of flight operation, and can effectively improve the service level and operational efficiency of airlines.