ALBAWABA – The Commercial Aircraft Corporation of China (COMAC), a Chinese state-owned aerospace manufacturing company, is developing the first silent supersonic passenger plane. New C949 supersonic passenger plane According to Acta Aeronautica et Astronautica Sinica, a Chinese monthly journal, COMAC, a Chinese state-owned company, is currently developing a supersonic passenger aircraft with low noise levels. The company is working on its new C949 supersonic passenger plane, which will be slower ...