Country Living Meets Aviation Dreams – Fly-In Property in Marengo, IL. PIN 12-20-300-024. Unique 20 Acres A1-zoned agricultural property with FAA-registered, lighted grass runway (7IL3 – 1700′ x 75′ + 230′ displaced threshold). Ten-Year Conditional Use Permit for aircraft use issued by McHenry County on Aug 20, 2024. The property includes a taxiway and driveway leading to open areas ready for you to build your dream home, hangar, or both. The landscape is rich with mature evergreen and deciduous trees. A dream come true for an aviation enthusiasts seeking privacy, space, and flexibility.