[Code of Federal Regulations]
[Title 47, Volume 1]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR17.56]

[Page 782]
 
                       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]