U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 47Chapter IPart 17Subpart C - Subpart C—Specifications for Obstruction Marking and Lighting of Antenna Structures
View all text of Subpart C [§ 17.21 - § 17.58]
§ 17.56 - Maintenance of lighting equipment.

Replacing or repairing of lights, automatic indicators or automatic control or alarm systems shall be accomplished as soon as practicable.

[79 FR 56986, Sept. 24, 2014]
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