Telecommunication. Part17:Construction, marking, and lighting of antenna structures. Subpart C:Specifications for Obstruction Marking and Lighting of Antenna Structures . Section17.24:Existing structures.
No change to painting or lighting criteria or relocation of airports shall at any time impose a new restriction upon any then existing or authorized antenna structure or structures, unless the FAA issues a new determination of ‘‘no hazard’’ and associated FAA study for the particular structure.