§183.620. Natural ventilation system. — Inbound Citations

(a) For the purpose of § 183.620, “natural ventilation” means an airflow in a compartment in a boat achieved by having:

(1) A supply opening or duct from the atmosphere or from a ventilated compartment or from a compartment that is open to the atmosphere; and

No person may operate a boat built after July 31, 1980, that has a gasoline engine for electrical generation, mechanical power, or propulsion unless it is equipped with an operable ventilation system that meets the requirements of 33 CFR 183.610 (a), (b), (d), (e), and (f) and 183.620(a).