CFR›Title 46›Chapter I›Part 171›Subpart F ContainsSections 171.115–171.119CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart F—Openings in the Side of a Vessel Below the Bulkhead or Weather Deck Sections 171.115 § 171.115 Specific applicability. 171.116 § 171.116 Port lights. 171.117 § 171.117 Dead covers. 171.118 § 171.118 Automatic ventilators and side ports. 171.119 § 171.119 Openings below the weather deck in the side of a vessel less than 100 gross tons. Previous E Subpart E—Penetrations and Openings in Watertight Bulkheads Next G Subpart G—Watertight Integrity Above the Margin Line