It shall be unlawful for any person to build, construct, maintain or cause to be built, constructed or maintained an airfield or landing strip of any kind, nature and description for the landing of airplanes and aircraft of any kind, nature and description, within the City limits, and no such airplanes or aircraft shall land within the City limits except south of Chicago, Burlington and Quincy Railroad now known as the Burlington Northern Railway rights of way. (Ord. 207, 5-18-48)