View all text of Subpart F [§ 144.600 - § 144.610]
§ 144.610 - Ventilation in a vessel more than 65 feet in length.
A vessel of more than 65 feet (19.8 meters) in length with overnight accommodations must have a mechanical ventilation system unless a natural system, such as opening windows, portholes, or doors, will provide adequate ventilation in ordinary weather.