Smyrna Airport (IATA: MQY, ICAO: KMQY, FAA LID: MQY) is a public general aviation and military use airport located two nautical miles (4 km) north of the central business district of Smyrna, a town in Rutherford County, Tennessee, United States. It is owned by the Smyrna / Rutherford County Airport Authority. Smyrna Airport is the third largest airport in Tennessee and is the state's busiest general aviation airport. Prior to March 1971, the facility was an active military installation known as Sewart Air Force Base.