Register, January, 1999, No. 517
Chapter Trans 57
STANDARDS FOR AIRPORT SITING
Issuance of certificate.
Notice of hearing.
Trans 57.01 Purpose.
The purpose of this chapter is to interpret and implement s. 114.134 (3)
, Stats., relating to airport site approval and to provide standards for site approval.
Trans 57.01 History
History: Cr. Register, January, 1999, No. 517, eff. 2-1-99. Trans 57.02
Trans 57.02 Definitions.
The words and phrases defined in ch. 114, Stats.
, have the same meaning in this chapter unless a different definition is specifically provided. In this chapter:
“Airport not open to the public" is any airport requiring permission from the airport owner or the manager prior to its use by any person other than the owner.
“Airport open to the public" means an airport, whether publicly or privately owned, which is open for aeronautical use by the general public.
“Airport study" means an analysis performed by the department to determine an airport's compatibility with other transportation facilities.
“Applicant" means a person who applies to construct or establish a new airport or activate an airport within the state.
“Application" means FAA form 7480-1, “Notice of Landing Area Proposal" together with a bureau airport site approval application.
Trans 57.02 Note
Note: FAA form 7480-1, Notice of Landing Area Proposal, and the airport site approval application may be obtained by writing to the Department of Transportation, Division of Infrastructure Development, Bureau of Aeronautics, 4802 Sheboygan Avenue, Room 701, P. O. Box 7914, Madison, WI 53707-7914.
“Approach area" means a trapezoid centered on the extended runway centerline. The trapezoid has an inner width at the runway threshold of 250 feet, a length of 5,000 feet from the threshold and an outer width of 1,250 feet.
“Approach surface" means an inclined plane which extends outward and upward from the runway threshold at a slope of 20:1, 20 feet horizontal to 1 foot vertical. The approach surface has dimensions which are bound by the vertical projection of the approach area.
“Bureau" means the bureau of aeronautics, division of infrastructure development, Wisconsin department of transportation.
“Certificate" means a certificate of airport site approval issued by the department.
“Displaced threshold" means a landing threshold located at a point on the runway other than the physical end of the runway.
“Object" means any structure, objects of natural growth, permanent or temporary construction or apparatus including, but not limited to, buildings, fences, hills, power and telephone lines, shrubs, traverse ways, trees and towers.
“Obstruction" means any object which penetrates the approach surface within the approach area or the runway primary surface.
“Runway" means a defined rectangular area, on a land airport, prepared for the landing and takeoff of aircraft along its length.
“Runway primary surface" means a surface longitudinally centered on a runway. The runway primary surface has a width of 250 feet, 125 feet each side of centerline, and a length equal to the length of the runway. The elevation of any point on the primary surface is the same as the elevation of the nearest point on the runway centerline.
“Seaplane" means an aircraft capable of taking off from and landing on water.
“Transportation facilities" means any airport, roadway, highway, railroad, public trails or waterway adjacent to or in the approach to the landing area.
“Traverse ways" means any routes used by the public including, but not limited to roads, highways, public trails, bike paths, railroads and waterways.
Trans 57.02 History
History: Cr. Register, January, 1999, No. 517, eff. 2-1-99. Trans 57.03
Trans 57.03 Responsibility.
The secretary, or his or her designee, may issue a certificate of airport site approval for a new airport upon determination that the location is compatible with existing and planned transportation facilities in the area.
Trans 57.03 History
History: Cr. Register, January, 1999, No. 517, eff. 2-1-99. Trans 57.04
Trans 57.04 Standards.
The following standards shall be met in order to maintain airport site compatibility with existing and planned transportation facilities in the area:
All objects within the approach area of each runway shall be considered in determining compliance. Each type of traverse way is considered to be an object with a clearance height as follows:
Waterways and other traverse ways, an amount equal to the height of the highest mobile object that would normally travel upon them.
A displaced threshold shall be marked similar to attached diagram B for runways with other than paved surfaces. Runways with paved surfaces shall be marked in accordance with FAA advisory circular 150/5340-1G, “Standards for Airport Markings," September 27, 1993. In addition, if the runway is lighted, the displaced threshold shall be lighted in accordance with FAA advisory circular 150/5340-24, “Runway and Taxiway Edge Lighting System," September 3, 1975. It applies to low intensity runway lighting systems and medium intensity systems.
Trans 57.04 Note
Note: These FAA advisory circulars are available from the United States Department of Transportation, Distribution Unit, TAB 443.1, Washington, D. C. 20590, and are also on file with the offices of the Legislative Reference Bureau and Secretary of State.
The effective runway length to be reported for each runway landing direction is the physical length of the runway less the displaced threshold at the approach end of the runway.
If any object penetrates the approach surface, then the runway threshold, the point of interception of the approach area and the approach surface shall be displaced down the landing runway.
The displaced threshold shall be located at a point where no object penetrates the approach surface.
The displaced threshold shall be located at a point where no public traverse way clearance height penetrates the approach surface.
If the clearance height assigned to any public traverse way penetrates the approach surface, then the runway threshold, the point of interception of the approach area and the approach surface shall be displaced down the landing runway.