§  17.17   Existing structures.

   (a) The requirements found in §  17.23 relating to painting and
   lighting of antenna structures shall not apply to those structures
   authorized prior to July 1, 1996. Previously authorized structures may
   retain their present painting and lighting specifications, so long as
   the overall structure height or site coordinates do not change. The
   Antenna Structure Registration requirements found in §  17.5, however,
   shall apply to all antenna structures that have been assigned painting
   or lighting requirements by the Commission, regardless of prior
   authorization.

   (b) No change in any of these criteria or relocation of airports shall
   at any time impose a new restriction upon any then existing or
   authorized antenna structure or structures.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  61 FR 4363 , Feb. 6, 1996]

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Subpart C--Specifications for Obstruction Marking and Lighting of Antenna
Structures

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