[Code of Federal Regulations]

[Title 47, Volume 1]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 47CFR17.56]



[Page 871]

 

                       TITLE 47--TELECOMMUNICATION

 

              CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION

 

PART 17_CONSTRUCTION, MARKING, AND LIGHTING OF ANTENNA STRUCTURES

--Table of Contents

 

Subpart C_Specifications for Obstruction Marking and Lighting of Antenna 

                               Structures

 

Sec. 17.56  Maintenance of lighting equipment.



    (a) Replacing or repairing of lights, automatic indicators or 

automatic control or alarm systems shall be accomplished as soon as 

practicable.

    (b) The flash tubes in a high intensity obstruction lighting system 

shall be replaced whenever the peak effective daytime intensity falls 

below 200,000 candelas.



[40 FR 30267, July 18, 1975]