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CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER E—INLAND NAVIGATION RULES (parts 83 to 90) > PART 83—RULES > SUBPART C—Lights and Shapes (§83.20 to §83.31) > 83.22—Visibility of lights (Rule 22).

CFR

83.22—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:
(a) Vessel of 50 meters or more in length. In a vessel of 50 meters or more in length:
(1) A masthead light, 6 miles;
(2) A sidelight, 3 miles;
(3) A sternlight, 3 miles;
(4) A towing light, 3 miles;
(5) A white, red, green or yellow all-round light, 3 miles; and
(6) A special flashing light, 2 miles.
(b) Vessels of 12 meters or more in length but less than 50 meters in length. In a vessel of 12 meters or more in length but less than 50 meters in length:
(1) A masthead light, 5 miles; except that where the length of the vessel is less than 20 meters, 3 miles;
(2) A sidelight, 2 miles;
(3) A sternlight, 2 miles;
(4) A towing light, 2 miles;
(5) A white, red, green or yellow all-round light, 2 miles; and
(6) A special flashing light, 2 miles.
(c) Vessels of less than 12 meters in length. In a vessel of less than 12 meters in length:
(1) A masthead light, 2 miles;
(2) A sidelight, 1 mile;
(3) A sternlight, 2 miles;
(4) A towing light, 2 miles;
(5) A white, red, green or yellow all-round light, 2 miles; and
(6) A special flashing light, 2 miles.
(d) An inconspicuous, partly submerged vessel or objects being towed. In an inconspicuous, partly submerged vessel or objects being towed:
(1) A white all-round light, 3 miles.
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