Section 75.20  Definitions

As used in this Part, unless the context otherwise requires:

            "Airport" – The Quincy Municipal Airport located near Quincy, in the South ½ of Section 27, all of Section 34, a part of the Southwest ¼ of Section 26, and a part of the Northwest ¼ of the Northwest ¼ of Section 35, all in Township 1 South, Range 7 West of the Fourth Principal Meridian, Adams County, Illinois.

            "Airport Elevation" – The established elevation of the highest point on the usable landing strip; the established airport elevation shall be 768' above mean sea level (AMSL).

            "Airport Hazard" – Any structure, growth, or use of land which obstructs the airspace required for, or is otherwise hazardous to the flight of aircraft in landing or taking-off at the airport. (Section 3 of the Act)

            "Airport Reference Point" – The point established as the approximate geographic center of the airport landing area and so designated as at Latitude 39º 56' 37" N Longitude 91º 11' 36W.

            "Alteration" – Any construction which would result in a change in height or lateral dimensions of an existing structure.

            "Approach, Transitional, Horizontal and Conical Surfaces" – These surfaces are defined in Section 75.30 of this Part.

            "Construction" – The erection or alteration of any structure either of a permanent or temporary character.

            "Department" – The Department of Transportation, Division of Aeronautics of the State of Illinois.

            "Flight Safety Coordinator" – An employee of the Department whose duties include, but are not limited to inspection of airports, review of complaints concerning uses of property in the vicinity of airports and inspection of structures, uses and growths in the vicinity of airports to determine if such structures, uses or growths impair the use of the airport by aircraft.

            "Growth" – Any object of natural growth, including trees, shrubs and foliage.

            "Height" – The overall height of the top of a structure including any appurtenances installed thereon, for the purpose of determining the height limits in all zones set forth in this Part and shown on the zoning map, the datum or which shall be mean sea level elevation unless otherwise specified.

            "Landing Area" – The area of the airport used for the landing, taking off or taxiing of aircraft.

            "Non-Conforming Use" – Any structure, growth, or use of land which is lawfully in existence at the time this Part or an amendment thereto becomes effective and does not then meet the requirements of this Part.

            "Non-precision instrument runway" – A runway having an existing instrument approach utilizing air navigation facilities with only horizontal guidance, or area type navigation equipment, for which a straight-in, non-precision instrument approach procedure has been approved, or planned, and for which no precision approach facilities are planned, or indicated on a Federal Aviation Administration (FAA) planning document or military service, military airport planning document.

            "Permit" – A permit issued by the Department of Transportation, Division of Aeronautics, pursuant to Section 75.60 of this Part.

            "Person" – An individual, firm, partnership, corporation, company, association, joint stock association, or body politic, and includes a trustee, receiver, assignee, administrator, executor, guardian, or other representative, and including this State and the Division of Aeronautics.

            "Political Subdivision" – Any municipality, city, incorporated town, village, county, township, district, or authority, or any combination of two or more thereof, situated in whole or in part within any of the surfaces established by Section 75.30 hereof.

            "Precision Instrument Runway" – A precision instrument runway is one which uses an instrument landing system (ILS) or precision approach radar (PAR).  A planned precision instrument runway is one for which a precision approach system is indicated on a Department approved Airport Layout Plan, which is on file at the Department of Transportation, Division of Aeronautics, Bureau of Engineering, One Langhorne Bond Drive/Capital Airport, Springfield, Illinois  62706.

            "Runway" – An area of the airport designated for the landing or taking off of aircraft and consisting of either specially prepared hard surface or turf.

            "Slope Ratio" – A numerical expression of a stated relationship of height to horizontal distance, e.g. 100 to 1 means one hundred feet of horizontal distance for each one foot vertically.

            "State" – The State of Illinois.

            "Structure" – Any form of construction or apparatus of a permanent or temporary character, constructed or installed by man, including any implements or material used in the erection, alteration or repair of such structure, including but without limitation, buildings, towers, smokestacks, and overhead transmission lines.

            "Utility Runway" – A runway that is constructed for and intended to be used for propeller driven aircraft of 12,500 pounds maximum gross weight or less.

            "Variance" – A grant of relief by the Department from the requirements of this Part, in accordance with Section 75.80.

            "Visibility Minimums" – The lowest forward horizontal distance from the cockpit of an aircraft in flight at which prominent unlighted objects may be seen and identified by day and prominent lighted objects may be seen and identified by night.

            "Visual Runway" – A visual runway is a runway intended solely for the operation of aircraft using visual approach procedures with no straight-in instrument approach procedure and no instrument designation indicated on a Department approved Airport Layout Plan, which is on file at the Department of Transportation, Division of Aeronautics, Bureau of Engineering, One Langhorne Bond Drive/Capital Airport, Springfield, Illinois  62706.