---
kind: "section"
citation: "33 C.F.R. § 149.550"
title: "33"
number: "149.550"
heading: "What are the requirements for lights on a floating hose string?"
url: "https://uscodex.org/cfr/33/149.550"
---

# §149.550. What are the requirements for lights on a floating hose string?


Hose strings that are floating or supported on trestles must display the following lights at night and during periods of restricted visibility:

- (a) One row of yellow lights that must be:
  - (1) Flashing 50 to 70 times per minute;
  - (2) Visible all around the horizon;
  - (3) Visible for at least 2 miles (3.7 km) on a clear, dark night;
  - (4) Not less than 1 or more than 3.5 meters (3 to 11.5 feet) above the water;
  - (5) Approximately equally spaced;
  - (6) Not more than 10 meters (32.8 feet) apart where the hose string crosses a navigable channel; and
  - (7) Where the hose string does not cross a navigable channel, there must be a sufficient number to clearly show the hose string's length and course.
- (b) Two red lights at each end of the hose string, including the ends in a channel where the hose string is separated to allow vessels to pass, whether open or closed. The lights must be:
  - (1) Visible all around the horizon;
  - (2) Visible for at least 2 miles (3.7 km) on a clear, dark night; and
  - (3) One meter (3 feet) apart in a vertical line with the lower light at the same height above the water as the flashing yellow light.

## Notes

### 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.