{"data":{"id":"us/33-cfr-83.22","jurisdiction":"us","citation":"33 CFR 83.22","heading":"Visibility of lights (Rule 22).","body":"The lights prescribed in these Rules (Subpart C) shall have an intensity as specified in Annex I to these Rules (33 CFR part 84), so as to be visible at the following minimum ranges:\n(a) In a vessel of 50 meters or more in length:\n(i) A masthead light, 6 miles;\n(ii) A sidelight, 3 miles;\n(iii) A sternlight, 3 miles;\n(iv) A towing light, 3 miles;\n(v) A white, red, green or yellow all-round light, 3 miles; and\n(vi) A special flashing light, 2 miles.\n(b) In a vessel of 12 meters or more in length but less than 50 meters in length:\n(i) A masthead light, 5 miles; except that where the length of the vessel is less than 20 meters, 3 miles;\n(ii) A sidelight, 2 miles;\n(iii) A sternlight, 2 miles;\n(iv) A towing light, 2 miles;\n(v) A white, red, green or yellow all-round light, 2 miles; and\n(vi) A special flashing light, 2 miles.\n(c) In a vessel of less than 12 meters in length:\n(i) A masthead light, 2 miles;\n(ii) A sidelight, 1 mile;\n(iii) A sternlight, 2 miles;\n(iv) A towing light, 2 miles;\n(v) A white, red, green or yellow all-round light, 2 miles; and\n(vi) A special flashing light, 2 miles.\n(d) In an inconspicuous, partly submerged vessel or objects being towed:\n(i) A white all-round light, 3 miles.\n(ii) [Reserved]","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER E—INLAND NAVIGATION RULES","PART 83—NAVIGATION RULES","Subpart C—Lights and Shapes"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"301e7b6897cad2e7a681695dbdf7d23fb012ecc9540d790f7f5b6729b04f2723","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-83.21","next":"us/33-cfr-83.23"},"notice":"GroundRules: Original legal text. Not legal advice."}