§149.550. What are the requirements for lights on a floating hose string?
33 C.F.R. § 149.550
Hose strings that are floating or supported on trestles must display the following lights at night and during periods of restricted visibility:
One row of yellow lights that must be:
Flashing 50 to 70 times per minute;
Visible all around the horizon;
Visible for at least 2 miles (3.7 km) on a clear, dark night;
Not less than 1 or more than 3.5 meters (3 to 11.5 feet) above the water;
Approximately equally spaced;
Not more than 10 meters (32.8 feet) apart where the hose string crosses a navigable channel; and
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.
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:
Visible all around the horizon;
Visible for at least 2 miles (3.7 km) on a clear, dark night; and
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, amendments, and revision history
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.