{"data":{"id":"us/46-cfr-42.30-1","jurisdiction":"us","citation":"46 CFR 42.30-1","heading":"-1 Basis.","body":"(a) The zones and areas in this subpart are, in general, based on the following criteria:\n(1) Summer: not more than 10 percent winds of force 8 Beaufort (34 knots) or more.\n(2) Tropical: not more than 1 percent winds of force 8 Beaufort (34 knots) or more. Not more than one tropical storm in 10 years in an area of 5° square in any 1 separate calendar month.\n(b) In certain special areas, for practical reasons, some degree of relaxation has been found acceptable.\n(c) A chart is attached to the International Convention on Load Lines, 1966, which illustrates the zones and areas defined in this Convention and in this subpart.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER E—LOAD LINES","PART 42—DOMESTIC AND FOREIGN VOYAGES BY SEA","Subpart 42.30—Zones, Areas, and Seasonal Periods"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"5d8deea90470c75b112c20c1f74584226847fddfa67fe3afbcc6c8ba3cad84cf","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-42.25-20","next":"us/46-cfr-42.30-5"},"notice":"GroundRules: Original legal text. Not legal advice."}