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(a) Zones Defined. In order to carry out the provisions of this chapter, there are hereby created and established certain zones which include all of the land lying within the approach zones, transitional zones, horizontal zones, and conical zones as they apply to a particular airport. Such zones are shown on the airport hazard zoning map prepared by the Metropolitan Topeka Airport Authority which is attached to Ordinance No. 14650 and made a part of this chapter by reference. An area located in more than one of the following zones is considered to be only in the zone with the more restrictive height limitation. The various zones are hereby established and defined as follows:

(1) Utility Runway Visual Approach Zone. The inner edge of the utility runway visual approach zone coincides with the width of the primary surface and is 500 feet wide. The approach zone expands outward uniformly to a width of 1,250 feet at a horizontal distance of 5,000 feet from the primary surface, its centerline being the continuation of the centerline of the runway.

(2) Runway Larger Than Utility Visual Approach Zone. The inner edge of this approach zone coincides with the width of the primary surface and is 500 feet wide. The approach zone expands outward uniformly to a width of 1,500 feet at a horizontal distance of 5,000 feet from the primary surface, its centerline being the continuation of the centerline of the runway.

(3) Runway Larger Than Utility with a Visibility Minimum Greater Than Three-Fourths-Mile Nonprecision Instrument Approach Zone. The inner edge of this approach zone coincides with the width of the primary surface and is 500 feet wide. The approach zone expands outward uniformly to a width of 3,500 feet at a horizontal distance of 10,000 feet from the primary surface, its centerline being the continuation of the centerline of the runway.

(4) Runway Larger Than Utility with a Visibility Minimum as Low as Three-Fourths-Mile Nonprecision Instrument Approach Zone. The inner edge of this approach zone coincides with the width of the primary surface and is 1,000 feet wide. The approach zone expands outward uniformly to a width of 4,000 feet at a horizontal distance of 10,000 feet from the primary surface, its centerline being the continuation of the centerline of the runway.

(5) Precision Instrument Runway Approach Zone. The inner edge of the precision instrument runway approach zone coincides with the width of the primary surface and is 1,000 feet wide. The approach zone expands outward uniformly to a width of 16,000 feet at a horizontal distance of 50,000 feet from the primary surface, its centerline being the continuation of the centerline of the runway.

(6) Transitional Zones. Transitional zones are hereby established as the area beneath the transitional surfaces. These surfaces extend outward and upward at a 90-degree angle to the runway centerline and the runway centerline extended at a slope of seven feet horizontally for each foot vertically from the sides of the primary and approach surfaces to where they intersect the horizontal and conical surfaces. Transitional zones for those portions of the precision approach zones which project through and beyond the limits of the conical surface extend a distance of 5,000 feet measured horizontally from the edge of the approach and at 90-degree angles to the extended runway centerline.

(7) Horizontal Zone. The horizontal zone is hereby established by swinging arcs of specified radii from the center of each end of the primary surface to each runway. The radius of each arc is 5,000 feet for all runways designated as utility or visual; and 10,000 feet for all other runways. The radius of the arc specified for each end of a runway will have the same arithmetical value. That value will be the highest determined for either end of the runway. When a 5,000-foot arc is encompassed by tangents connecting two adjacent 10,000-foot areas, the 5,000-foot arc shall be disregarded on the construction of the perimeter of the horizontal surface, and connecting the adjacent arcs by drawing lines tangent to those arcs. The horizontal zone does not include the approach and transitional zones.

(8) Conical Zone. The conical zone is hereby established as the area that commences at the periphery of the horizontal zone and extends outward there from a horizontal distance of 4,000 feet. The conical zone does not include the precision instrument approach zones and the transitional zones.

(b) Determination of Zones Where Uncertainty May Arise. The location of all zones as indicated and described on the airport zoning map shall prevail where there is uncertainty in application to any or all lands located within such zones. Such determination of the zones, including all real property, shall be made by scaling and using mathematical methods in conjunction with property descriptions. The responsibility for making such determination shall be with the Planning and Development Department staff. (Code 1981 § 4-57. Code 1995 § 22-28.)

Cross References:Planning Commission, Chapter 2.225 TMC.

State Law References:Zones authorized, K.S.A. 3-703.