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Regulations last checked for updates: Feb 12, 2026
Title 46 - Shipping last revised: Jan 15, 2026
All Titles
Title 46
Chapter I
Part 42
Subpart 42.20 - Subpart 42.20—Freeboards
§ 42.20-3 - Freeboard assignment: Type “A” vessels.
§ 42.20-5 - Freeboard assignment: Type “B” vessels.
§ 42.20-6 - Flooding standard: Type “A” vessels.
§ 42.20-7 - Flooding standard: Type “B” vessel, 60 percent reduction.
§ 42.20-8 - Flooding standard: Type “B” vessel, 100 percent reduction.
§ 42.20-9 - Initial conditions of loading.
§ 42.20-10 - Free surface.
§ 42.20-11 - Extent of damage.
§ 42.20-12 - Conditions of equilibrium.
§ 42.20-13 - Vessels without means of propulsion.
§ 42.20-15 - Freeboard tables.
§ 42.20-20 - Correction to the freeboard for vessels under 328 feet in length.
§ 42.20-25 - Correction for block coefficient.
§ 42.20-30 - Correction for depth.
§ 42.20-35 - Correction for position of deck line.
§ 42.20-40 - Standard height of superstructure.
§ 42.20-45 - Length of superstructure.
§ 42.20-50 - Effective length of superstructure.
§ 42.20-55 - Trunks.
§ 42.20-60 - Deduction for superstructures and trunks.
§ 42.20-65 - Sheer.
§ 42.20-70 - Minimum bow height.
§ 42.20-75 - Minimum freeboards.
authority:
46 U.S.C. 5101-5116
; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4; section 42.01-5 also issued under the authority of
44 U.S.C. 3507.
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