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33 C.F.R. § 149.570   How is a platform, SPM, or STL identified?

Title 33 - Navigation and Navigable Waters

Title 33: Navigation and Navigable Waters
PART 149—DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT
Subpart E—Aids to Navigation
Miscellaneous

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§ 149.570   How is a platform, SPM, or STL identified?

(a) Each platform, SPM, or STL (protruding above the water/marked by a buoy) must display the name of the deepwater port and the name or number identifying the structure, so that the information is visible:

(1) From the water at all angles of approach to the structure; and

(2) If the structure is equipped with a helicopter pad, from aircraft on approach to the structure.

(b) The information required in paragraph (a) of this section must be displayed in numbers and letters that are:

(1) At least 12 inches high;

(2) In vertical block style; and

(3) Displayed against a contrasting background.

(c) If a STL protrudes from the water, it must be properly illuminated in accordance with §149.540.

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