US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 178 — INTACT STABILITY AND SEAWORTHINESSSubpart D — Drainage of Weather Decks178.44046 C.F.R. § 178.440Drainage of open boats.Last amended: 2016Year: 2026Length: 22 wordsOfficial source Cite as 46 C.F.R. § 178.440 (2026)The deck within the hull of an open boat must drain to the bilge. Overboard drainage of the deck is not permitted.Previous46 C.F.R. § 178.430Next46 C.F.R. § 178.450