China's C919 high-altitude jet completes test flight

The C919 high-altitude variant is one of the key models in the development of the C919 family. It is designed to seat 140 to 160 passengers, with take-off and landing performance meeting requirements for all of China's high-altitude airports.

The C919, developed by Commercial Aircraft Corp of China, is China's first domestically developed narrow-body passenger jet to enter commercial service.