Rule 27 — NUC and RAM (lights)

Bowditch Ch. 5 §501

Bowditch Ch. 5 §501 — Short Range Aids to Navigation Aids to navigation include lights, buoys, beacons, and electronic aids. The US lateral system follows IALA-B: red on the right returning from sea, even numbers on red, odd on green.

33 CFR §83.20

§ 83.20 § 83.20 Application (Rule 20). (a) Rules in this subpart (Rules 20-31) (§§ 83.20 through 83.31) shall be complied with in all weathers. (b) The Rules concerning lights (§§ 83.20 through 83.31) shall be complied with from sunset to sunrise, and during such times no other lights shall be exhibited, except such lights as cannot be mistaken for the lights specified in these Rules or do not impair their visibility or distinctive character, or interfere with the keeping of a proper lookout. (c) The lights prescribed by these Rules shall, if carried, also be exhibited from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary. (d) The Rules concerning shapes shall be complied with by day. (e) The lights and shapes speci…

33 CFR §83.27

§ 83.27 § 83.27 Vessels not under command or restricted in their ability to maneuver (Rule 27). (a) A vessel not under command shall exhibit: (i) Two all-round red lights in a vertical line where they can best be seen; (ii) Two balls or similar shapes in a vertical line where they can best be seen; and (iii) When making way through the water, in addition to the lights prescribed in this paragraph, sidelights and a sternlight. (b) A vessel restricted in her ability to maneuver, except a vessel engaged in mine clearance operations, shall exhibit: (i) Three all-round lights in a vertical line where they can best be seen. The highest and lowest of these lights shall be red and the middle light shall be white; (ii) Three shapes in a vertical line where they can best be seen. The highest …

46 CFR §25.01-3

§ 25.01-3 § 25.01-3 Incorporation by reference. (a) Certain material is incorporated by reference into this subchapter with the approval of the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. All approved material is available for inspection at the U.S. Coast Guard, Office of Design and Engineering Standards (CG-ENG-4), 2703 Martin Luther King Jr. Avenue SE., Stop 7509, Washington, DC 20593-7509, and is available from the sources listed below. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030 or go to. (b) American Boat and Yacht Council (ABYC), 613 Third Street, Suite 10, Annapolis, MD 21403, 410-990-4460,. (1) Standard A-1…

46 CFR §25.10-3

§ 25.10-3 § 25.10-3 Navigation light certification requirements. (a) Except as provided by paragraph (b) of this section, each navigation light must— (1) Meet the technical standards of the applicable Navigation Rules; (2) Be certified by a laboratory listed by the Coast Guard to the standards of ABYC A-16 (incorporated by reference, see § 25.01-3), or equivalent, although portable battery-powered lights need only meet the requirements of the standard applicable to them; and (3) Bear a permanent and indelible label stating the following: (i) “USCG Approval 33 CFR 183.810” (ii) “MEETS __.” (Insert the identification name or number of the standard under paragraph (a)(2) of this section, to which the light was type-tested.) (iii) “TESTED BY __.” (Insert the name or registered certifica…

Light List — light-characteristic (FFl)

Light List — light-characteristic (FFl) Fixed and Flashing (FFl) A fixed light with a brighter flash superimposed at intervals. Used on certain channel-edge structures.