46 C.F.R. § 171.155 Drainage of an open boat.
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. [CGD 85–080, 62 FR 51355, Sept. 30, 1997]
Title 46: Shipping
PART 171—SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS
Subpart H—Drainage of Weather Decks
§ 171.155 Drainage of an open boat.

