47 C.F.R. § 17.21 Painting and lighting, when required.
Title 47 - Telecommunication
Antenna structures shall be painted and lighted when: (a) They exceed 60.96 meters (200 feet) in height above the ground or they require special aeronautical study. (b) The Commission may modify the above requirement for painting and/or lighting of antenna structures, when it is shown by the applicant that the absence of such marking would not impair the safety of air navigation, or that a lesser marking requirement would insure the safety thereof. [32 FR 11269, Aug. 3, 1967, as amended at 42 FR 54824, Oct. 11, 1977]
Title 47: Telecommunication
PART 17—CONSTRUCTION, MARKING, AND LIGHTING OF ANTENNA STRUCTURES
Subpart C—Specifications for Obstruction Marking and Lighting of Antenna Structures
§ 17.21 Painting and lighting, when required.
