KMVN Mt. Vernon Outland Airport MSFS https://www.mtvernonairport.com/

Mount Vernon Outland Airport (IATA: MVN, ICAO: KMVN) is a civil public use airport three miles (5 km) east of Mount Vernon, in Jefferson County, Illinois. The airport is named for longtime airport board member Earl Outland. It is home to EAA Chapter 1155.