§ 17.47   Inspection of antenna structure lights and associated control
equipment.

   The owner of any antenna structure which is registered with the Commission
   and has been assigned lighting specifications referenced in this part:

   (a)(1) Shall make an observation of the antenna structure's lights at least
   once each 24 hours either visually or by observing an automatic properly
   maintained indicator designed to register any failure of such lights, to
   insure  that  all such lights are functioning properly as required; or
   alternatively,

   (2) Shall provide and properly maintain an automatic alarm system designed
   to detect any failure of such lights and to provide indication of such
   failure to the owner.

   (b) Shall inspect at intervals not to exceed 3 months all automatic or
   mechanical control devices, indicators, and alarm systems associated with
   the antenna structure lighting to insure that such apparatus is functioning
   properly.

   (c) Is exempt from paragraph (b) of this section for any antenna structure
   monitored  by a system that the Wireless Telecommunications Bureau has
   determined includes self-diagnostic features sufficient to render quarterly
   inspections unnecessary, upon certification of use of such system to the
   Bureau.

   [ 61 FR 4363 , Feb. 6, 1996, as amended at  79 FR 56986 , Sept. 24, 2014]

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