Ngari Gunsa Airport, also known as Ali Airport, is the fourth highest-altitude airport in the world. The dual-purpose military and civil airport serves the city of Shiquanhe in Ngari Prefecture, south-west of China's Tibet Autonomous Region near the Indian border. The airport is situated at an elevation of 4,274m.iuzhai Huanglong Airport, China. Jiuzhai Huanglong Airport is located two kilometres from Chuanzhusi Town, in Songpan County of Aba Prefecture, Sichuan Province. It is the world's tenth highest altitude airport, at an elevation of 3,448m. Chengdu Shuangliu International Airport is located 240km from this airport.