46 CFR §127.320
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Suitable storm rails must be installed in each passageway and at the deckhouse sides, including in way of inclined ladders, where persons aboard have normal access. They must be installed on both sides of passageways which are more than 1.8 meters (6 feet) wide.