33 C.F.R. § 118.45 Lighting for the protection of aerial navigation.
Title 33 - Navigation and Navigable Waters
The owner of a bridge which constitutes a hazard to aerial navigation should maintain, in addition to the lights prescribed in this part, such lights as may be prescribed by the Administrator, Federal Aviation Administration. [40 FR 24898, June 11, 1975, as amended by CGD 75–046a, 42 FR 56954, Oct. 31, 1977]
Title 33: Navigation and Navigable Waters
PART 118—BRIDGE LIGHTING AND OTHER SIGNALS
§ 118.45 Lighting for the protection of aerial navigation.