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Title 46

Displaying title 46, up to date as of 7/08/2026. Title 46 was last amended 6/30/2026.
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Title 46ShippingPart / Section
Chapter ICoast Guard, Department of Homeland Security1 – 199
Subchapter SSubdivision and Stability170 – 174
Part 171Special Rules Pertaining to Vessels Carrying Passengers171.001 – 171.155
Subpart AGeneral171.001 – 171.017
§ 171.001Applicability.
§ 171.010Definitions.
§ 171.012Incorporation by reference.
§ 171.015Location of margin line.
§ 171.017One and two compartment standards of flooding.
Subpart BIntact Stability171.045 – 171.057
§ 171.045Weight of passengers and crew.
§ 171.050Passenger heel requirements for a mechanically propelled or a non-self propelled vessel.
§ 171.052Passenger heel requirements for pontoon vessels.
§ 171.055Intact stability requirements for a monohull sailing vessel or a monohull auxiliary sailing vessel.
§ 171.057Intact stability requirements for a sailing catamaran.
Subpart CSubdivision and Damage Stability171.060 – 171.080
Subpart DAdditional Subdivision Requirements171.085 – 171.109
Subpart EPenetrations and Openings in Watertight Bulkheads171.110 – 171.114
Subpart FOpenings in the Side of a Vessel Below the Bulkhead or Weather Deck171.115 – 171.119
Subpart GWatertight Integrity Above the Margin Line171.120 – 171.124
§ 171.120Specific applicability.
§ 171.122Watertight integrity above the margin line in a vessel of 100 gross tons or more.
§ 171.124Watertight integrity above the margin line in a vessel less than 100 gross tons.
Subpart HDrainage of Weather Decks171.130 – 171.155