2002 U.S. Code
Title 33 - NAVIGATION AND NAVIGABLE WATERS
CHAPTER 34 - INLAND NAVIGATIONAL RULES
SUBCHAPTER I - RULES
Part C - Lights and Shapes
Sec. 2022 - Visibility of lights (Rule 22)

The lights prescribed in these Rules shall have an intensity as specified in Annex I to these Rules, so as to be visible at the following minimum ranges:

In a vessel of 50 meters or more in length:

a masthead light, 6 miles;

a sidelight, 3 miles;

a sternlight, 3 miles;

a towing light, 3 miles;

a white, red, green or yellow all-round light, 3 miles; and

a special flashing light, 2 miles.

In a vessel of 12 meters or more in length but less than 50 meters in length:

a masthead light, 5 miles; except that where the length of the vessel is less than 20 meters, 3 miles;

a sidelight, 2 miles;

a sternlight, 2 miles;

a towing light, 2 miles;

a white, red, green or yellow all-round light, 2 miles; and

a special flashing light, 2 miles.

In a vessel of less than 12 meters in length:

a masthead light, 2 miles;

a sidelight, 1 mile;

a sternlight, 2 miles;

a towing light, 2 miles;

a white, red, green or yellow all-round light, 2 miles; and

a special flashing light, 2 miles.

In an inconspicuous, partly submerged vessel or object being towed:

a white all-round light, 3 miles.

(Pub. L. 96–591, §2, Dec. 24, 1980, 94 Stat. 3424.)

These Rules, referred to in text, are the Inland Navigational Rules which are classified to this subchapter.

Annex I to these Rules, referred to in text, is to be established by the Secretary under section 2071 of this title.

Section was enacted as part of section 2 of Pub. L. 96–591 which enacted the Inland Navigational Rules which comprise this subchapter.

This section is referred to in sections 2020, 2031, 2038 of this title.