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46 CFR Subchapter I

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Subpart 90.01—Authority and Purpose

§90.01-1   Purpose of regulations.
§90.01-7   Right of appeal.
§90.01-15   OMB control numbers assigned pursuant to the Paperwork Reduction Act.

Subpart 90.05—Application

§90.05-1   Vessels subject to requirements of this subchapter.
§90.05-5   Specific application noted in text.
§90.05-7   Ocean or unlimited coastwise vessels on inland and Great Lakes routes.
§90.05-10   Application to vessels on an international voyage.
§90.05-20   Applicability to offshore supply vessels.
§90.05-25   Seagoing barge.
§90.05-35   Flammable and combustible liquid cargo in bulk.

Subpart 90.10—Definition of Terms Used in This Subchapter

§90.10-1   Anniversary date.
§90.10-2   Approved.
§90.10-3   Barge.
§90.10-5   Carrying freight for hire.
§90.10-7   Commandant.
§90.10-9   Coast Guard District Commander.
§90.10-11   Coastwise.
§90.10-12   Gas free.
§90.10-13   Great Lakes.
§90.10-14   Headquarters.
§90.10-15   Industrial personnel.
§90.10-16   Industrial vessel.
§90.10-19   Lakes, bays, and sounds.
§90.10-20   Liftboat.
§90.10-21   Marine inspector or inspector.
§90.10-23   Motorboat.
§90.10-25   Ocean.
§90.10-27   Officer in Charge, Marine Inspection (OCMI).
§90.10-29   Passenger.
§90.10-30   Pilot boarding equipment and point of access.
§90.10-33   Rivers.
§90.10-35   Recognized classification society.
§90.10-36   Seagoing barge.
§90.10-37   Vessel.
§90.10-38   Specially suitable for vehicles.
§90.10-40   Offshore supply vessels.
§90.10-42   Tankerman.

Subpart 90.15—Equivalents

§90.15-1   Conditions under which equivalents may be used.

Subpart 90.20—General Marine Engineering Requirements

§90.20-1   Marine engineering details.

Subpart 90.25—General Electrical Engineering Requirements

§90.25-1   Electrical engineering details.

Subpart 90.27—Lifesaving Appliances and Arrangements

§90.27-1   Lifesaving appliances and arrangements.

Subpart 90.35—American Bureau of Shipping's Standards

§90.35-1   Standards to be used.
§90.35-5   Where obtainable.


Subpart 91.01—General Provisions; Certificate of Inspection

§91.01-1   Preemptive effect.
§91.01-2   When required.
§91.01-5   Posting.
§91.01-10   Period of validity for a Certificate of Inspection.
§91.01-15   Temporary certificate.
§91.01-20   Expired certificate.
§91.01-25   Emergency carriage of more than 16 persons in addition to the crew on vessels not engaged in international voyages.

Subpart 91.05—Permit To Proceed to Another Port for Repair

§91.05-1   When issued.
§91.05-5   To whom issued.
§91.05-10   Conditions of permit.
§91.05-15   Posting.

Subpart 91.15—Inspection of Vessels

§91.15-1   Standards in inspection of hulls, boilers, and machinery.
§91.15-5   Alternate compliance.

Subpart 91.20—Initial Inspection

§91.20-1   Prerequisite of certificate of inspection.
§91.20-5   When made.
§91.20-10   Plans.
§91.20-15   Scope of inspection.
§91.20-20   Specific tests and inspections.

Subpart 91.25—Inspection for Certification

§91.25-1   Prerequisite of reissuance of certificate of inspection.
§91.25-5   Application for a Certificate of Inspection.
§91.25-7   Incorporation by reference.
§91.25-10   Scope of inspection.
§91.25-15   Lifesaving equipment.
§91.25-20   Fire extinguishing equipment.
§91.25-25   Hull equipment.
§91.25-30   Electrical engineering equipment.
§91.25-35   Marine engineering equipment.
§91.25-37   Tanks containing dangerous cargoes.
§91.25-38   Pollution prevention.
§91.25-40   Sanitary inspection.
§91.25-45   Fire hazards.
§91.25-50   Inspector not limited.

Subpart 91.27—Annual and Periodic Inspections

§91.27-1   Annual and periodic inspections.
§91.27-5   Certificate of Inspection: Conditions of validity.
§91.27-13   Alternative annual inspection for offshore supply vessels less than 400 gross tons in foreign ports.
§91.27-15   Inspectors not limited.

Subpart 91.30—Inspection After Accident

§91.30-1   General or partial survey.

Subpart 91.35—Sanitary Inspections

§91.35-1   When made.

Subpart 91.40—Drydocking

§91.40-1   Definitions relating to hull examinations.
§91.40-3   Drydock examination, internal structural examination, cargo tank internal examination, and underwater survey intervals.
§91.40-5   Notice and plans required.

Subpart 91.43—Integral Fuel Oil Tank Examinations

§91.43-1   When required.

Subpart 91.45—Repairs and Alterations

§91.45-1   Notice required.
§91.45-5   Inspection required.

Subpart 91.50—Special Operating Requirements

§91.50-1   Inspection and testing required when making alterations, repairs, or other such operations involving riveting, welding, burning or like fire-producing actions.

Subpart 91.55—Plan Approval

§91.55-1   General.
§91.55-5   Plans and specifications required for new construction.
§91.55-10   Plans required for alterations of existing vessels.
§91.55-15   Procedure for submittal of plans.
§91.55-20   Number of plans required.

Subpart 91.60—Certificates Under International Convention for Safety of Life at Sea, 1974

§91.60-1   Application.
§91.60-5   Cargo Ship Safety Construction Certificate.
§91.60-10   Cargo Ship Safety Equipment Certificate.
§91.60-15   Cargo Ship Safety Radio Certificate.
§91.60-25   Exemption Certificate.
§91.60-30   Safety Management Certificate.
§91.60-35   Availability of Certificates.
§91.60-40   Duration of Convention certificates.
§91.60-45   American Bureau of Shipping.


Subpart 92.01—Hull Structure

§92.01-1   Application.
§92.01-2   Incorporation by reference.
§92.01-5   Vessels subject to load line.
§92.01-10   Structural standards.
§92.01-15   Special consideration.
§92.01-90   Vessels contracted for prior to November 19, 1952.

Subpart 92.03—Navigation Bridge Visibility

§92.03-1   Navigation bridge visibility.

Subpart 92.05—General Fire Protection

§92.05-1   Fire hazards to be minimized.
§92.05-5   Woodwork insulated from heated surfaces.
§92.05-10   Lamp room construction.
§92.05-15   Segregation of spaces containing the emergency source of electric power.

Subpart 92.07—Structural Fire Protection

§92.07-1   Application.
§92.07-5   Definitions.
§92.07-10   Construction.
§92.07-90   Vessels contracted for prior to July 1, 1968.

Subpart 92.10—Means of Escape

§92.10-1   Application.
§92.10-5   Two means required.
§92.10-10   Location.
§92.10-15   Vertical ladders not accepted.
§92.10-20   No means for locking doors.
§92.10-25   Stairway size.
§92.10-30   Dead end corridors.
§92.10-35   Public spaces.
§92.10-40   Access to lifeboats.
§92.10-45   Weather deck communications.
§92.10-90   Vessels contracted for prior to November 19, 1952.

Subpart 92.15—Ventilation

§92.15-1   Application.
§92.15-5   Vessels using fuel having a flashpoint of 110 degrees or lower.
§92.15-10   Ventilation for closed spaces.
§92.15-15   Ventilation for crew quarters and, where provided, passenger spaces.
§92.15-90   Vessels contracted for prior to November 19, 1952.

Subpart 92.20—Accommodations for Officers and Crew

§92.20-1   Application.
§92.20-5   Intent.
§92.20-10   Location of crew spaces.
§92.20-15   Construction.
§92.20-20   Sleeping accommodations.
§92.20-25   Washrooms and toilet rooms.
§92.20-30   Messrooms.
§92.20-35   Hospital space.
§92.20-40   Other spaces.
§92.20-45   Lighting.
§92.20-50   Heating and cooling.
§92.20-55   Insect screens.
§92.20-90   Vessels contracted for prior to November 19, 1952.

Subpart 92.25—Rails and Guards

§92.25-1   Application.
§92.25-5   Where rails required.
§92.25-10   Storm rails.
§92.25-15   Guards in dangerous places.
§92.25-90   Vessels contracted for prior to July 1, 1969.


Subpart 95.01—Application

§95.01-1   General.
§95.01-2   Incorporation by reference.
§95.01-5   Equipment installed but not required.

Subpart 95.05—Fire Detection and Extinguishing Equipment

§95.05-1   Fire detection, manual alarm, and supervised patrol systems.
§95.05-3   Sample extraction smoke detection systems.
§95.05-5   Fire main system.
§95.05-10   Fixed fire extinguishing systems.
§95.05-15   Hand portable fire extinguishers and semiportable fire extinguishing systems.

Subpart 95.10—Fire Main System, Details

§95.10-1   Application.
§95.10-5   Fire pumps.
§95.10-10   Fire hydrants and hose.
§95.10-15   Piping.
§95.10-90   Installations contracted for prior to May 26, 1965.

Subpart 95.13—Steam Smothering Systems

§95.13-1   Application.

Subpart 95.15—Carbon Dioxide Extinguishing Systems, Details

§95.15-1   Application.
§95.15-5   Quantity, pipe sizes, and discharge rates.
§95.15-10   Controls.
§95.15-15   Piping.
§95.15-20   Carbon dioxide storage.
§95.15-25   Discharge outlets.
§95.15-30   Alarms.
§95.15-35   Enclosure openings.
§95.15-40   Pressure relief.
§95.15-50   Lockout valves.
§95.15-60   Odorizing units.
§95.15-90   Installations contracted for prior to November 19, 1952.

Subpart 95.16—Fixed Clean Agent Gas Extinguishing Systems, Details

§95.16-1   Application.
§95.16-5   Controls.
§95.16-10   Piping, fittings, valves, nozzles.
§95.16-15   Extinguishing agent: Quantity.
§95.16-20   Extinguishing agent: Cylinder storage.
§95.16-25   Manifold and cylinder arrangements.
§95.16-30   Enclosure openings.
§95.16-35   Pressure relief.
§95.16-40   Locked spaces.
§95.16-45   Pre-discharge alarms and time delay devices.
§95.16-50   Instructions.
§95.16-60   System piping installation testing.
§95.16-90   Installations contracted for prior to July 9, 2012.

Subpart 95.17—Foam Extinguishing Systems, Details

§95.17-1   Application.
§95.17-5   Quantity of foam required.
§95.17-10   Controls.
§95.17-15   Piping.
§95.17-20   Discharge outlets.
§95.17-25   Additional protection required.
§95.17-90   Installations contracted for prior to November 19, 1952.

Subpart 95.30—Automatic Sprinkler Systems, Details

§95.30-1   Application.

Subpart 95.50—Hand Portable Fire Extinguishers and Semiportable Fire Extinguishing Systems, Arrangements and Details

§95.50-1   Application.
§95.50-5   §95.50-5   [Reserved]
§95.50-10   Location.
§95.50-20   Semi-portable fire extinguishers.
§95.50-80   Location and number of fire extinguishers required for vessels constructed prior to August 22, 2016.
§95.50-90   Vessels contracted for prior to November 19, 1952.

Subpart 95.60—Fire Axes

§95.60-1   Application.
§95.60-5   Number required.
§95.60-10   Location.


Subpart 97.01—Application

§97.01-1   General; preemptive effect.
§97.01-2   Incorporation by reference.

Subpart 97.05—Notice to Mariners and Aids to Navigation

§97.05-1   Duty of officers.
§97.05-5   Charts and nautical publications.

Subpart 97.07—Notice and Reporting of Casualty and Voyage Records

§97.07-1   Notice and reporting of casualty and voyage records.

Subpart 97.10—Persons Allowed in Pilothouse and on Navigation Bridge

§97.10-1   Application.
§97.10-5   Persons excluded.

Subpart 97.11—Stability Letter

§97.11-1   Posting.

Subpart 97.12—Bulk Solid Cargoes

§97.12-1   Definition of a bulk solid cargo.
§97.12-3   Guidance for the master.
§97.12-5   Bulk solid cargoes that may liquefy.
§97.12-10   Cargo securing manuals.

Subpart 97.13—Station Bills

§97.13-1   Muster lists, emergency signals, and manning.

Subpart 97.15—Tests, Drills, and Inspections

§97.15-1   Application.
§97.15-3   Steering gear, whistle, and means of communication.
§97.15-5   Drafts and load line markings.
§97.15-7   Verification of vessel compliance with applicable stability requirements.
§97.15-10   Sanitation.
§97.15-15   Examination of boilers and machinery.
§97.15-17   Loading doors.
§97.15-20   Hatches and other openings.
§97.15-30   Emergency lighting and power systems.
§97.15-35   Emergency training, musters, and drills.
§97.15-55   Requirements for fuel oil.
§97.15-60   Firefighting equipment, general.
§97.15-75   Test of inflatable hopper gate seals on Great Lakes bulk dry cargo vessels.

Subpart 97.16—Auto Pilot

§97.16-1   Use of auto pilot.

Subpart 97.19—Maneuvering Characteristics

§97.19-1   Data required.

Subpart 97.20—Whistling

§97.20-1   Unnecessary whistling prohibited.

Subpart 97.25—Searchlights

§97.25-1   Improper use prohibited.

Subpart 97.27—Lookouts

§97.27-5   Master's and officer's responsibility.

Subpart 97.30—Reports of Accidents, Repairs, and Unsafe Equipment

§97.30-1   Repairs to boilers and pressure vessels.
§97.30-5   Accidents to machinery.
§97.30-10   Notice required before repair.

Subpart 97.33—Communication Between Deckhouses

§97.33-1   When required.

Subpart 97.34—Work Vests

§97.34-1   Application.
§97.34-5   Approved types of work vests.
§97.34-10   Use.
§97.34-15   Shipboard stowage.
§97.34-20   Shipboard inspections.
§97.34-25   Additional requirements for hybrid work vests.

Subpart 97.35—Logbook Entries

§97.35-1   Application.
§97.35-3   Logbooks and records.
§97.35-5   Actions required to be logged.

Subpart 97.36—Display of Plans

§97.36-1   When required.

Subpart 97.37—Markings for Fire and Emergency Equipment, Etc.

§97.37-1   Application.
§97.37-3   General.
§97.37-5   General alarm bell contact maker.
§97.37-7   General alarm bells.
§97.37-9   Carbon dioxide and clean agent alarms.
§97.37-10   Fire extinguishing system branch lines.
§97.37-11   Carbon dioxide warning signs.
§97.37-13   Fire extinguishing system controls.
§97.37-15   Fire hose stations.
§97.37-20   Self-contained breathing apparatus.
§97.37-23   Hand portable fire extinguishers.
§97.37-25   Emergency lights.
§97.37-33   Instructions for changing steering gear.
§97.37-35   Rudder orders.
§97.37-42   Markings for lifesaving appliances, instructions to passengers, and stowage locations.
§97.37-47   Portable magazine chests.
§97.37-50   Ventilation alarm failure.
§97.37-60   Watertight doors.
§97.37-90   Vessels contracted for prior to November 19, 1952.

Subpart 97.40—Markings on Vessels

§97.40-1   Application.
§97.40-5   Hull markings.
§97.40-10   Draft marks and draft indicating systems.
§97.40-15   Load line marks.

Subpart 97.45—Carrying of Excess Steam

§97.45-1   Master and chief engineer responsible.

Subpart 97.47—Routing Instructions

§97.47-1   All persons must comply.

Subpart 97.50—Compliance With Provisions of Certificate of Inspection

§97.50-1   Master or person in charge responsible.

Subpart 97.53—Exhibition of Merchant Mariner Credential

§97.53-1   Officers.

Subpart 97.55—De-Energizing of Cargo Hold Lighting Circuits When Grain or Other Combustible Bulk Cargo Is Carried

§97.55-1   Master's responsibility.
§97.55-5   Warning notice posted.

Subpart 97.80—Operation of Vehicles in Enclosed Locations

§97.80-1   Special operating conditions.

Subpart 97.90—Pilot Boarding Operations

§97.90-1   Pilot boarding operation.

Subpart 97.95—Person in Charge of Transfer of Liquid Cargo in Bulk

§97.95-1   General.


Subpart 98.01—General

§98.01-1   Applicability.
§98.01-3   Incorporation by reference.

Subpart 98.25—Anhydrous Ammonia in Bulk

§98.25-1   Applicability.
§98.25-5   How anhydrous ammonia may be carried.
§98.25-10   Design and construction of cargo tanks.
§98.25-15   Markings.
§98.25-20   Installation of cargo tanks.
§98.25-30   Lagging.
§98.25-35   Refrigerated systems.
§98.25-40   Valves, fittings, and accessories.
§98.25-45   Liquid level gaging device.
§98.25-50   Filling and discharge pipes.
§98.25-55   Cargo piping.
§98.25-60   Safety relief valves.
§98.25-65   Filling density.
§98.25-70   Venting.
§98.25-75   Ventilation.
§98.25-80   Cargo hose.
§98.25-85   Electrical bonding.
§98.25-90   Special operating requirements.
§98.25-95   Tests and inspections.
§98.25-97   Nondestructive testing.

Subpart 98.30—Portable Tanks and Intermediate Bulk Containers

§98.30-1   Applicability.
§98.30-2   Incorporation by Reference.
§98.30-3   Definitions.
§98.30-4   Vessels carrying MPTs.
§98.30-5   Vessels carrying portable tanks other than MPTs.
§98.30-6   Vessels carrying IBCs.
§98.30-7   Materials authorized for transfer to and from a portable tank.
§98.30-8   Materials authorized for transfer to and from an IBC.
§98.30-9   Lifting a portable tank or IBC.
§98.30-10   Smoking.
§98.30-11   Gaskets and lining.
§98.30-12   Stowage of portable tanks and IBCs.
§98.30-13   Pipe connections, and filling and discharge openings.
§98.30-14   Cargo pumps.
§98.30-15   Ground connection.
§98.30-16   Requirements for ships carrying NLSs in portable tanks and IBCs.
§98.30-17   Leakage containment.
§98.30-18   Qualifications of person in charge.
§98.30-19   Supervision by person in charge.
§98.30-21   Inspection prior to transfer.
§98.30-23   Requirements for transfer; general.
§98.30-25   Requirements for transfer; cargo handling system.
§98.30-27   Connections.
§98.30-29   Piping incompatible products.
§98.30-31   Conditions for pumping.
§98.30-33   Warning signals.
§98.30-35   Warning sign at gangway.
§98.30-37   Firefighting requirements.
§98.30-39   Alternate fire extinguishing system.

Subpart 98.31—Control of Pollution From NLS Cargoes on Oceangoing Offshore Supply Vessels

§98.31-5   Applicability.
§98.31-10   Certificate of inspection and NLS certificate endorsements.
§98.31-15   Operating requirements.

Subpart 98.33— Portable Tanks and IBCs for Certain Grade E Combustible Liquids and Other Regulated Materials

§98.33-1   Applicability.
§98.33-3   Cargoes authorized.
§98.33-5   Portable tanks and IBCs authorized.
§98.33-7   Pipe and hose connections.
§98.33-9   Stowage.
§98.33-11   Smoking.
§98.33-13   Cargo-handling systems.
§98.33-15   Transfers.

Other Regulations

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