{"data":{"id":"us/33-cfr-84.05","jurisdiction":"us","citation":"33 CFR 84.05","heading":"Screens.","body":"(a) The sidelights of vessels of 20 meters or more in length shall be fitted with matt black inboard screens and meet the requirements of § 84.15. On vessels of less than 20 meters in length, the sidelights, if necessary to meet the requirements of § 84.15, shall be fitted with matt black inboard screens. With a combined lantern, using a single vertical filament and a very narrow division between the green and red sections, external screens need not be fitted.\n(b) On power-driven vessels less than 12 meters in length constructed after July 31, 1983, the masthead light, or the all-round light described in Rule 23(d)(§ 83.23(d) of this chapter) shall be screened to prevent direct illumination of the vessel forward of the operator's position.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER E—INLAND NAVIGATION RULES","PART 84—ANNEX I: POSITIONING AND TECHNICAL DETAILS OF 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":"e51886f63457cb5f2a29010e5ba52ce17515cc51aab5a394181cd5aa7c3aaa93","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-84.04","next":"us/33-cfr-84.06"},"notice":"GroundRules: Original legal text. Not legal advice."}