Goto Section: 17.38 | 17.47 | Table of Contents
FCC 17.45
Revised as of October 1, 2008
Goto Year:2007 |
2009
Sec. 17.45 Temporary warning lights.
During construction of an antenna structure, for which red obstruction
lighting is required, at least two 116- or 125-watt lamps (A21/TS) enclosed
in aviation red obstruction light globes, shall be installed at the
uppermost point of the structure. The intensity of each lamp shall not be
less than 32.5 candelas. In addition, as the height of the structure exceeds
each level at which permanent obstruction lights will be required, two
similar lights shall be installed at each such level. These temporary
warning lights shall be displayed nightly from sunset to sunrise until the
permanent obstruction lights have been installed and placed in operation,
and shall be positioned so as to insure unobstructed visibility of at least
one of the lights at any normal angle of approach. If practical, the
permanent obstruction lights may be installed and operated at each required
level as construction progresses.
[ 32 FR 11273 , Aug. 3, 1967, as amended at 39 FR 26157 , July 17, 1974; 42 FR 54826 , Oct. 11, 1977]
Goto Section: 17.38 | 17.47
Goto Year: 2007 |
2009
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