T 1 west gate of terminal. The gate t 12 of Changsha Huanghua Airport is at the west gate of t 1 Terminal, which is the nearest boarding window. Changsha Huanghua International Airport (IATA:CSX, ICAO:ZGHA, CAAC:HHA) is located in huanghua town No.1 Airport City, Changsha County, Hunan Province, China, 23.5 kilometers west of Changsha city center. It is a 4E-class international airport, one of the twelve trunk airports in China, and an international scheduled flight airport.