to 33 °C (91.4 °F) in summer, it is an extremely challenging airport to fly from) Lhasa, Tibet, China - Lhasa Gonggar Airport Lusaka, Zambia - Kenneth Kaunda International Airport Medellín, Colombia - José María Córdoba International Airport ( hot and high tests for the Airbus A380 were done there). Mexico City, Mexico – Mexico City International Airport, and Felipe Ángeles International Airport Nairobi, Kenya - Jomo Kenyatta International Airport Gunsa Township in Ngari Prefecture, Tibet, China - Ngari Gunsa Airport; Elevation: 4,274 m (14,022 ft) Mainling in Nyingchi, Tibet, China - Nyingchi Mainling Airport; Elevation: 2,949 m (9,675 ft) Phoenix, Arizona, United States – Phoenix Sky Harbor International Airport (altitude of is not extreme, but the area's hot desert climate gives it hot and high characteristics for most of the year) Qamdo, Tibet, China - Qamdo Bamda Airport; Elevation: 4,334 m (14,219 ft) Quito, Ecuador – Mariscal Sucre Airport Riyadh, Saudi Arabia – King Khalid International Airport Salt Lake City, Utah, United States – Salt Lake City International Airport, especially from late spring to early autumn Sanaa, Yemen – Sanaa International Airport Siachen Glacier, India - Sonam Post, world's highest helipad (altitude of in the world's highest manned post. Tehran, Iran - Tehran Imam Khomeini International Airport Yerevan, Armenia – Zvartnots International Airport Windhoek, Namibia - Hosea Kutako International Airport References Aircraft operations Aerospace engineering Aircraft performance