[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: 47CFR17.51]



[Page 870]

 

                       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. 17.51  Time when lights should be exhibited.



    (a) All red obstruction lighting shall be exhibited from sunset to 

sunrise unless otherwise specified.

    (b) All high intensity and medium intensity obstruction lighting 

shall be exhibited continuously unless otherwise specified.



[40 FR 30267, July 18, 1975, as amended at 61 FR 4364, Feb. 6, 1996]