46 C.F.R. § 109.209 Appliances for watertight integrity.
Title 46 - Shipping
(a) Before getting underway, the master or person in charge shall insure that each appliance for watertight integrity is closed and watertight. (b) If existing conditions warrant, the master or person in charge may permit appliances for watertight integrity to be open while afloat.
Title 46: Shipping
PART 109—OPERATIONS
Subpart B—Tests, Drills, and Inspections
§ 109.209 Appliances for watertight integrity.