Mount Vernon Outland Airport (IATA: MVN, ICAO: KMVN) is three miles (5 km) east of Mount Vernon, in Jefferson County, Illinois. It has no scheduled airline, but it was once served by Air Kentuckydoing business asUS Airways Express. From the 1960s through the mid 1980s the airport was also served by Ozark Airlines. This ended with Ozark Airlines being sold to Trans World Airlines (TWA) in 1986. The airport is named for longtime airport board member Earl Outland.