The Airport Information Integration System (IIS) is a central system for information processing of airport operation procedures and data. It can realize the unified release of flight plans, automatic allocation of airport resources, and efficient multi-domain coordinated operation to meet airport service interconnection, intelligent scheduling. The system supports the various operation units to work under unified command, and provides flight operation related services for airport, passengers, and airlines.

By the help of the system, flight plans and flight dynamics information can be automatically processed, airport resources such as parking spaces, boarding gates, check-in counters and baggage carousels can be automatically allocated, flight operation data can be automatically collected and analyzed to realize intelligent management of airport operation.