High Quality Content by WIKIPEDIA articles! Alliance Municipal Airport (IATA: AIA, ICAO: KAIA, FAA LID: AIA) is a public use airport in Box Butte County, Nebraska, United States. It is owned by the city of Alliance and located three nautical miles (6 km) southeast of its central business district. The airport is served by one commercial airline, with scheduled passenger service subsidized by the Essential Air Service program.