CFR › Title 46 › Part 171 › §171.05746 CFR §171.057Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)A sailing vessel that operates on protected waters must be designed to satisfy the following equation:(b)A sailing vessel that operates on partially protected or exposed waters must be designed to satisfy the following equation: