For the purposes of this chapter, the following definitions shall apply unless the context requires otherwise. In each case the singular shall include the plural and the plural shall include the singular.
AERIAL NAVIGATION: The movement of an aircraft through the air.
AIRCRAFT: Any contrivance used or designed for carrying humans in flight through the air, but not including parachutes.
AIRPORT: The Mason City Municipal Airport.
AIRPORT COMMISSION: The Mason City Airport Commission or its duly appointed representative.
AIRPORT ELEVATION: One thousand two hundred thirteen feet (1,213') above mean sea level (MSL).
AIRPORT HAZARD: Any structure or tree or use of land which would exceed the Federal obstruction standards as contained in 14 CFR FAR, part 77, and which obstructs or is otherwise hazardous to the landing or takeoff of any aircraft at the airport, or hazardous to persons or property on the ground.
AIRPORT HAZARD AREA: Any area of land or water upon which an airport hazard might be established if not prevented as provided by this chapter.
BUILDING OFFICIAL: The building official of Mason City, Iowa, or the building official of Clear Lake, Iowa, or a duly authorized designee thereof.
CITY: The City of Mason City, Iowa, and/or the City of Clear Lake, Iowa.
COUNTY: Cerro Gordo County, Iowa.
FEDERAL AVIATION ADMINISTRATION (FAA): An agency of the United States government that administers the Federal regulations that relate to the use and flight of aircraft, and related regulations. The location of the controlling FAA office may be found in section 7-3-17, "Appendix I", of this chapter.
INNER EDGE: That edge of any zone that is closest to the runway end to which the zone applies. The inner edge is perpendicular to the runway centerline.
JURISDICTION: The City of Mason City, Iowa, and/or the City of Clear Lake, Iowa, and/or Cerro Gordo County, Iowa.
NONCOMPATIBLE USE: Any activity that would degrade the safety of people on the ground, or occupants of aircraft in flight, including, but not limited to: putrescible waste landfills, smoke or steam producing activities, any activity that would produce electrical or radio signal interference not compatible with safe operation of an aircraft, and those that lead to an assembly of people, including, but not limited to: residences, churches, schools, hospitals, office buildings, shopping centers, and other uses with similar concentrations of persons.
NONCONFORMING STRUCTURE: Any structure or portion of any structure that is located within or underlying any of the zones created by this chapter and that does not conform to the height and use provisions of this chapter.
OBSTRUCTION: Any structure or tree, the height of which exceeds that which is allowed by this chapter.
PERSON: Any individual, firm, copartnership, corporation, company, association, joint stock association, or body politic, and includes any trustee, assignee or other similar representative thereof.
RUNWAY THRESHOLD: A designated point on any airport runway that establishes the end of the runway. The runway threshold may or may not correspond with the end of the paved portion of the runway.
STRUCTURE: Any object, whether permanent or temporary, stationary or mobile, constructed or installed by humans, including, but not limited to: buildings, towers, smokestacks, scaffolds, lighting fixtures, public and private roads, railways, and overhead transmission lines, including poles or other structures supporting the same.
TREE: Any object of natural growth twenty feet (20') in height or greater, or that may be expected to grow to a height of twenty feet (20') or greater.
ZONING ADMINISTRATOR: The Zoning Administrator of Cerro Gordo County, Iowa, or a duly authorized designee thereof. (Ord. 09-01, 1-6-2009)