CFR › Title 46 › Part 45 › §45.5546 CFR §45.55Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)For ships less than 350 feet in length (L), the freeboard coefficient is P1 in the formula:(b)For ships 350 feet or more in length (L), the coefficient “A” is zero and the formula is: