Field test flights began at Tashkurgan Airport on May 18, as the first passenger plane landed on its runway. Tashkurgan Airport is 3,258 meters above sea level, making it one of China's highest airports and the first high-plateau airport in Xinjiang Uygur Autonomous Region. Internationally, airports with elevations above 2,438 meters are called high-plateau airports. The airport expects to fully open in July 2022. It will have a handling capacity of 160,000 passengers and 400 tonnes of cargo per year.