{"data":{"id":"us/46-cfr-177.300","jurisdiction":"us","citation":"46 CFR 177.300","heading":"Structural design.","body":"Except as otherwise allowed by this subpart, a vessel must comply with the structural design requirements of one of the standards listed below for the hull material of the vessel.\n(a) Wooden hull vessels: Lloyd's Yachts and Small Craft (incorporated by reference, see 46 CFR 175.600);\n(b) Steel hull vessels:\n(1) Lloyd's Yachts and Small Craft; or\n(2) ABS Steel Vessel Rules (\u003c61 Meters)(incorporated by reference, see 46 CFR 175.600);\n(c) Fiber reinforced plastic vessels:\n(1) Lloyd's Yachts and Small Craft;\n(2) ABS Plastic Vessel Rules (incorporated by reference, see 46 CFR 175.600); or\n(3) ABS High Speed Craft (incorporated by reference, see 46 CFR 175.600);\n(d) Aluminum hull vessels:\n(1) Lloyd's Yachts and Small Craft; or\n(i) For a vessel of more than 30.5 meters (100 feet) in length: ABS Aluminum Vessel Rules (incorporated by reference, see 46 CFR 175.600); or\n(ii) For a vessel of not more than 30.5 meters (100 feet) in length: ABS Steel Vessel Rules (\u003c61 Meters), with the appropriate conversions from the ABS Aluminum Vessel Rules; or\n(2) ABS High Speed Craft;\n(e) Steel hull vessels operating in protected waters: ABS Steel Vessel Rules (Rivers/Intracoastal) (incorporated by reference, see 46 CFR 175.600).","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER T—SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS)","PART 177—CONSTRUCTION AND ARRANGEMENT","Subpart C—Hull Structure"],"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":"63db8c208cd182d2b0fb446681bcb80b715171cda122db30bda64471a69e7e2a","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-177.210","next":"us/46-cfr-177.310"},"notice":"GroundRules: Original legal text. Not legal advice."}