Coles County Memorial Airport (IATA: MTO, ICAO: KMTO, FAA LID: MTO) is a public-use airport located between Mattoon and Charleston in Coles County, Illinois. It is owned by the Coles County Airport Authority. The airport lies approximately five miles east of Mattoon and six miles west of Charleston. It is categorized as a general aviation facility in the Federal Aviation Administration’s National Plan of Integrated Airport Systems (NPIAS) for 2011–2015. The airport hosts an annual air show featuring aerial performances, static displays, helicopter rides, and monster truck attractions. While the event is free to attend, donations are encouraged. Coles County Memorial Airport also has a strong partnership with the Civil Air Patrol and supports youth aviation programs through its affiliation with the Johnson Flight Academy.