46 C.F.R. § 32.35-5 Installation of internal combustion engines—TB/ALL.
Title 46 - Shipping
Each internal combustion engine located on the weather deck shall be provided with a ventilated metal hood or, where space permits, with a well-ventilated metal housing of sufficient size to allow for proper operation and maintenance.
Title 46: Shipping
PART 32—SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS
Subpart 32.35—Main and Auxiliary Machinery
§ 32.35-5 Installation of internal combustion engines—TB/ALL.