33 C.F.R. § 149.540 What are the requirements for obstruction lights on an SPM?
Title 33 - Navigation and Navigable Waters
(a) The lights for a single point mooring (SPM) must meet the requirements for obstruction lights in part 67 of this chapter, except that the lights must be located at least 10 feet above mean high water. (b) A submerged turret loading (STL) deepwater port is not required to meet the requirements for obstruction lights, provided it maintains at least a five-foot clearance beneath the net under-keel clearance for all vessels, at the mean low water condition, transiting the area. (c) An STL deepwater port that utilizes a marker buoy must be lighted in accordance with paragraph (a) of this section.
Title 33: Navigation and Navigable Waters
PART 149—DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT
Subpart E—Aids to Navigation
Lights on Single Point Moorings (SPM)
§ 149.540 What are the requirements for obstruction lights on an SPM?
