46 C.F.R. § 178.440 Drainage of open boats.
Title 46 - Shipping
The deck within the hull of an open boat must drain to the bilge. Overboard drainage of the deck is not permitted.
Title 46: Shipping
PART 178—INTACT STABILITY AND SEAWORTHINESS
Subpart D—Drainage of Weather Decks
§ 178.440 Drainage of open boats.

