§ 149.550. What are the requirements for lights on a floating hose string?
207 words·~1 min read·
/us/cfr/t33/s§ 149.550·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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.