---
kind: "section"
citation: "33 C.F.R. § 149.570"
title: "33"
number: "149.570"
heading: "How is a platform, single point mooring, or submerged turret loading identified?"
url: "https://uscodex.org/cfr/33/149.570"
---

# §149.570. How is a platform, single point mooring, or submerged turret loading identified?

- (a) Each platform, single point mooring, or submerged turret loading (STL) that protrudes above the water or is 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) **From aircraft on approach to the structure if the structure is equipped with a helicopter pad.**
- (b) The information required in [paragraph (a)](#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 an STL protrudes from the water, it must be properly illuminated in accordance with [§ 149.540](/cfr/33/149.540.md) of this part.

## Notes

### Amendments

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39179, July 1, 2013]

### Authority

Authority: 33 U.S.C. 1504, 1509; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted.

### Amendments

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39179, July 1, 2013]