A vessel at anchor shall exhibit where it can best be seen:
(i) in the fore part, an all-round white light or one ball; and
(ii) at or near the stern and at a lower level than the light prescribed in subparagraph (i), an all-round white light.
A vessel of less than 50 meters in length may exhibit an all-round white light where it can best be seen instead of the lights prescribed in paragraph (a) of this Rule.
A vessel at anchor may, and a vessel of 100 meters or more in length shall, also use the available working or equivalent lights to illuminate her decks.
A vessel aground shall exhibit the lights prescribed in paragraph (a) or (b) of this Rule and in addition, if practicable, where they can best be seen:
(i) two all-round red lights in a vertical line; and
(ii) three balls in a vertical line.
A vessel of less than 7 meters in length, when at anchor, not in or near a narrow channel, fairway, anchorage, or where other vessels normally navigate, shall not be required to exhibit the lights or shape prescribed in paragraphs (a) and (b) of this Rule.
A vessel of less than 12 meters in length when aground shall not be required to exhibit the lights or shapes prescribed in subparagraphs (d)(i) and (ii) of this Rule.
A vessel of less than 20 meters in length, when at anchor in a special anchorage area designated by the Secretary, shall not be required to exhibit the anchor lights and shapes required by this Rule.
(Pub. L. 96–591, §2, Dec. 24, 1980, 94 Stat. 3429.)
Pub. L. 108–293, title III, §303(a), (c), Aug. 9, 2004, 118 Stat. 1042, provided that this section is repealed effective on the effective date of final regulations prescribed by the Secretary of the Department in which the Coast Guard is operating under section 2071 of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.