StacksVerified U.S. regulatory reference

46 CFR §45.77

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The salt water addition in inches to freeboard applicable to each fresh water mark is obtained by the formula:
  2. (b)When the displacement at the summer load waterline cannot be certified, the addition in inches to the minimum freeboard in fresh water may be obtained by multiplying 0.25 by the summer draught in feet measured from the top of the keel to the center of the load line diamond.