§  17.14   Certain antenna structures exempt from notification to the FAA.

   A notification to the Federal Aviation Administration is not required
   for any of the following construction or alteration:

   (a) Any object that would be shielded by existing structures of a
   permanent and substantial character or by natural terrain or
   topographic features of equal or greater height, and would be located
   in the congested area of a city, town, or settlement where it is
   evident beyond all reasonable doubt that the structure so shielded will
   not adversely affect safety in air navigation. Applicant claiming such
   exemption under § 17.14(a) shall submit a statement with their
   application to the FCC explaining basis in detail for their finding.

   (b) Any antenna structure of 6.10 meters (20 feet) or less in height
   except one that would increase the height of another antenna structure.

   (c) Any air navigation facility, airport visual approach or landing
   aid, aircraft arresting device, or meteorological device, of a type
   approved by the Administrator of the Federal Aviation Administration,
   the location and height of which is fixed by its functional purpose.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  39 FR 7581 , Feb. 27, 1974;  42 FR 54824 , Oct. 11, 1977;  61 FR 4363 , Feb. 6, 1996]