Idaho Administrative Code › Title IDAPA 39 - Transportation, Department of › Rule 39.04.01 - RULES GOVERNING AERONAUTICS AND AVIATION › Subchapter D - RULES GOVERNING MARKING OF HAZARDS TO AIR FLIGHT › Section 39.04.01.400 - REQUIREMENTS

Current through August 31, 2023
01.
Hazardous Structures
. Any
				structure which obstructs the airspace more than two hundred (200) feet above
				the ground or water level, or at any height near an established airport as
				defined by Section
				21-101(c), Idaho
				Code, when determined by the Department to be an aviation hazard or a potential
				aviation hazard, as defined in Section
				21-101(n), Idaho
				Code, to the safe flight of aircraft shall be plainly marked, illuminated,
				painted, lighted, or designated in a manner approved by the Department.
				(3-31-22)
02.
Guyed
				Towers
. Any temporary or permanent guyed tower fifty (50) feet or more
				in height that is located outside the boundaries of an incorporated city or
				town on land that is primarily rural or undeveloped or used for agricultural
				purposes, or that is primarily desert, and where such guyed tower's appearance
				is not otherwise governed by state or federal law, rule or regulation, shall be
				lighted, marked and painted or otherwise constructed to be visible in clear air
				during daylight hours from a distance of not less than two thousand (2,000)
				feet. (3-31-22)
a. Guyed towers shall be
				painted in seven (7) equal alternating bands of aviation orange and white that
				begin with orange at the top of the tower and end with orange at the base.
				(3-31-22)
b. Guyed towers shall
				have one flashing obstruction light at the top of the tower that meets the
				technical requirements of medium intensity flashing white obstruction light
				systems as specified in Federal Aviation Administration Advisory Circular AC
				70/7460-1K or current edition. (3-31-22)
c. For guyed towers the surface area under
				the footprint of the tower and six (6) feet beyond the outer tower anchors
				shall have a contrasting appearance with any surrounding vegetation.
				(3-31-22)
d. Guyed towers shall
				have two (2) marker balls, having a minimum diameter of twenty (20) inches
				attached to and evenly spaced on each of the outside guy wires. Said spheres to
				be of the split-sheet, clamp-on type which are to be alternated in two (2)
				contrasting solid colors of gloss yellow and international orange, and may be
				constructed of recommended light-weight materials such as fiberglass, aluminum,
				or foam. (3-31-22)
e. Guyed towers
				shall have a seven (7) foot long safety sleeve colored to contrast with
				background vegetation at each anchor point and extend from the anchor point
				along each guy wire attached to the anchor point. (3-31-22)
f. The provisions of this Subsection
				400.02, do not apply to power
				poles or structures owned and operated by an electric supplier as defined in
				Section 61-332A(4), Idaho
				Code, to facilities used by a federal power marketing agency to serve public
				utilities or consumer-owned utilities, or any structure whose primary purpose
				is to support telecommunications equipment, including citizens band (CB) radio
				towers and all other amateur radio towers. (3-31-22)