KMWO AIRPORT
Established in 1925 on the northwest side of the City of Middletown, this city-owned complex host a variety of aviation businesses, schools, and organizations. It also has a rather rich aviation history.
BUTLER COUNTY WARBIRDS
Located in a pre-WWII hangar on the northeast corner of the airport, this non-profit organization hosts a large artifact display from the Civil War up to and including the response to the COVID-19 pandemic. It also maintains a flying fleet of training warbirds, in which rides are available.