The first serial-produced MC-21 passenger airliner built fully with import-substituted components has completed its maiden flight, the Russian Industry and Trade Ministry reported. "The maiden flight of the fully import-substituted serial MC-21 is a major milestone in the development of our domestic mainline passenger aircraft program. To date, roughly half of the certification flight test program has been completed. Taskayev reported after the flight that the first production aircraft had performed well and the flight mission was fully completed. About the AircraftThe MC-21 is a domestically developed short-and medium-range passenger aircraft designed to replace the Tu-154 and the Tu-204 family on the Russian market.