Current as of: Oct. 2009
Each ship to which this subpart applies, must meet the minimum standard of subdivision and damage stability required for that ship by the International Convention for the Safety of Life at Sea, 1974, as amended, chapter II-1, part B-1. Compliance with the applicable requirements must be demonstrated by calculations and reflected in information on loading restrictions, such as a maximum height of the center of gravity (KG) or minimum metacentric height (GM) curve that is part of the stability information required by Sec. 170.110 of this chapter and Regulation 25-8 of The International Convention for the Safety of Life at Sea, 1974, as amended, chapter II-1, part B-1.
INDEX
SUBCHAPTER S_SUBDIVISION AND STABILITY
Editorial Note: This listing is provided for informational purposes only. It is compiled and kept current by the U.S. Coast Guard, Department of Homeland Security. This index is updated as of October 1, 2009.
Part, Subpart, or Section
AAddresses:Material incorporated by reference...............................170.015Merchant marine technical offices................................170.100Aft peak bulkhead, passenger vessels.............................171.090Alterations..........................................170.001(b), 170.005Auxiliary sailing vessels:Defined.......................................................170.055(a)Large passenger vessels..........................................171.045Small passenger vessels.................................170.055, 171.010Weather criterion for............................................170.160
BBallast, fixed. (See Fixed ballast)Barges:Deck cargo...........................................Part 174, Subpart BDefinitions..........................................170.055 (b) and (q)Large passenger..................................................171.045Oceanographic research...........................................173.070Tank. (See Tank barges)Weather criterion for............................................170.160Bulk cargo vessels, special requirements for....................Part 172Buoyancy:Air tanks.........................................171.070(d), 171.095(c)Foam flotation material..........................................170.245Internal..........................................171.070(d), 171.095(c)Standards of flooding............................................171.017
CCalculations:Samples of, in stability booklet..............................170.110(d)Stability text results........................................170.175(a)Submittal of.....................................................170.090Catamarans.......................................................171.057Center of gravity:Determination of.....................................Part 170, Subpart FEstimated position on tank vessels...............................170.200In stability booklet..........................................170.110(d)Subchapter O barges...........................................172.090(b)Tanks......................................................170.075(a)(5)Collision bulkhead: Oceanographic research vessels..........................173.075, 173.085Passenger vessels.....................171.060, 171.065, 171.070, 171.085Consumable liquids: Effect on stability calculations....170.285, 170.290Cranes:Data required....................................................170.095Requirements for vessels with........................Part 173, Subpart BCross curves, required.....................................170.090(b)(3)Cross-flooding:Liquefied gas carriers, system standards......................172.195(g)Passenger vessels, system standards...........................171.080(e)Subchapter O tankships, system standards......................172.150(g)
DDamage stability calculations:Liquefied gas carriers, local damage.............................172.205MODU's, standards for............................................174.065Nautical school ships, standards for....................173.055, 173.080Oceanographic research vessels, standards for....................173.080Passenger vessels:Cockpits...................................................171.145(e)(3)Types I and II...................................................171.080Type III.........................................................171.082Well decks.................................................171.150(b)(2)Subchapter D tank barges carrying cargoes other than oil.........172.050Subchapter O barges, standards for...............................172.103Subchapter O tankships, standards for............................172.133Dangerous cargoes.............................Part 172, Subparts E and FDead covers:Oceanographic research vessels, required......................173.085(k)Passenger vessels, required...........171.117, 171.119(a)(2), 171.122(g)Deadweight surveys............................................170.175(c)Deck cargo barges. (See Barges)Definitions:Concerning a vessel..............................................170.055General terms....................................................170.050Pertaining to lifting............................................173.010Pertaining to liquefied gas carriers.............................172.160Pertaining to MODU's.............................................174.035Pertaining to passenger vessels..................................171.010Pertaining to Subchapter O tankships.............................172.127Discontinuous bulkhead deck, passenger vessels................171.015(c)Discontinuous weather deck....................................170.170(b)Double bottoms, passenger vessels:Manholes in......................................................171.108Permeability of............................................171.066(b)(4)Required.........................................................171.105Watertight floors in.............................................171.109Wells in.........................................................171.106Downflooding:Angle.........................................................170.055(g)Deck cargo barges................................................174.015Defined (except MODU's).......................................170.055(e)Lifting vessels...............................................173.020(b)Liquefied gas carriers...........................................172.195Mobile offshore drilling units (MODU's):Considered.......................................................174.045Defined.......................................................174.035(b) Oil tankers...................................................170.055(p)Sailing passenger vessels........................................171.055Subchapter O barges..............................................172.090Subchapter O tankships...........................................172.150Tugboats and towboats............................................174.145Vessels of unusual proportion and form...........................170.173Vessels which tow................................................173.095Draft marks....................................170.075(a)(6), 170.180(e)Drainage of weather decks............................Part 171, Subpart HDeck cargo barges....................................Part 174, Subpart B
EEqualization. (See Cross-flooding)Equivalent plane bulkhead, passenger vessels:Defined.......................................................171.010(c)Required:Type I subdivision............................................171.067(f)Type II subdivision...........................................171.073(c)Equivalents......................................................170.010Estimated lightweight vertical center of gravity.................170.200Existing vessels..............................................170.001(b)
FFerry:Collision bulkheads...........................................171.060(d)Defined.......................................................171.010(d)Fixed ballast....................................170.110(d)(14), 170.235Floodable length:Curves required............................................170.090(b)(4)Defined.......................................................171.010(f)Passenger vessels:Standards, Type I................................................171.065Standards, Type II...............................................171.070Standards, Type III..............................................171.075Floors, watertight--in double bottoms............................171.109Foam flotation...........................170.245, 171.070(d), 171.095(c)Foreign vessels............................................170.001(a)(2)Freeboard: Allowable heeling limits, general..................170.170(a)Freeing ports:Minimum Area.....................................................171.150Required.........................................................171.135Free surface:Instructions concerning:Counterballasting..........................................170.125(b)(1)Stability booklet..........................................170.110(d)(6)Subchapter O tank barges, assumption..........................172.087(b)Treatment of, general................................Part 170, Subpart I
GGrain in bulk........................................Part 172, Subpart B``Grandfathering''............................................170.001(b)
HHazardous liquids................................Part 172, Subparts E, FHopper barges:Subchapter D cargoes other than oil..............................172.050 Subchapter O cargoes....................................172.100, 172.110Hydrostatic curves (curves of form), required..............170.075(a)(3)
IInclining experiments. (See Stability test)Incorporation by reference:General..........................................................170.015IMO Resolution A.265(VIII).....................170.135, 171.075, 171.082MIL-P-21929B...............................................170.245(b)(9)Intact stability:Deck cargo barges.......................................174.015, 174.020Large passenger vessels:Catamarans.......................................................171.057Passenger heel...................................................171.050Sailing..........................................................171.055Lifting vessels.........................................173.020, 173.025Liquefied gas carriers...........................................172.165Mobile offshore drilling units (MODU's)..........................174.045Passenger vessels:Cockpits...................................................171.145(e)(1)Well decks.................................................171.150(b)(2)Subchapter O barges.....................................172.090, 172.095Tugboats and Towboats............................................174.145Vessels of unusual proportion and form...............170.170(d), 170.173Weather Criterion.......................................170.160, 170.170International voyage:Passenger vessels:Aft peak bulkhead required....................................171.090(a)Defined.......................................................171.010(h)Double bottoms required for...................................171.105(a)Shaft tunnels.................................................171.100(b)Special considerations...........................................171.068Standards........................................................171.045Subdivision requirements...................................170.265(d)(1)Watertight door requirements...............................170.265(d)(1)
LLarge Passenger vessels..............................Part 171, Subpart CLifting:Data submittal requirements......................................170.095Operating information requirements...............................170.125Standards............................................Part 173, Subpart BLightweight:Defined.......................................................170.055(j)Information required, stability booklet....................170.110(d)(1)Determination of.....................................Part 170, Subpart FLines drawing required.........................170.075(a)(2), 170.180(a)Liquefied flammable gas, barges......................Part 172, Subpart CLiquefied gas carriers...............................Part 172, Subpart GLNG Carriers. (See Liquefied gas carriers)Load line:Certificate stability information on..............170.110(e), 170.120(b)Length, defined............................................170.055(i)(5)Locks required:Cargo space watertight doors..................................170.275(b)Port lights below the bulkhead deck........................171.116(f)(4)
MMachinery space bulkhead, passenger vessels......................171.095Main transverse watertight bulkhead...........................170.055(k)Manholes, passenger vessels:Double bottoms...................................................171.108Prohibited locations..........................................171.111(h)Margin line:Passenger vessels:Air tankage or internal buoyancy...........................171.070(d)(2)Dead covers required on port lights, below....................171.117(a)Location of......................................................171.015Location of openings.....................................171.111(f), (g)Openings in trunks.........................................171.113(c)(2)Stepped bulkheads..........................................171.067(b)(3)Submergence of........................171.017, 171.080(d)(3), 171.100(b)Volume below.........................Tables 171.065(a), 171.066, 171.068Volume of passenger spaces above..............................171.065(b)Watertight integrity above...........................Part 171, Subpart GTest head:Form flotation material....................................170.245(b)(3)Watertight doors..............................................170.270(b)Military specifications, MIL-P-21929B.............170.015(b), 170.245(b)Mobile offshore drilling units (MODU's):Stability information required................................170.110(a)Standards for............................174.005(b), Part 174, Subpart C
NNautical school ships, standards.......171.001(b), 173.001(b), Part 173,
Subpart C
OOceanographic vessel, standards........171.001(b), 173.001(c), Part 173,
Subpart DOil in bulk, standards for vessels carrying........172.005(c), Part 172,
Subpart DOpenings:Closed by weathertight covers:Liquefied gas carriers...........................................172.195Mobile offshore drilling units................................174.045(c)Subchapter O tankships...........................................172.150Downflooding through:General.......................................................170.055(e)Mobile offshore drilling units....................174.035(b), 174.065(a)Subchapter O barges...........................................172.090(d)Sailing passenger vessels.....................................171.055(e)Mobile offshore drilling units:Closures for.....................................................174.100Watertight, closed automatically..............................174.015(b)Watertight, closed rapidly.......................................174.045Passenger vessels:Cockpit openings...........................................171.145(a)(2)Collision bulkhead...............................................171.085Special consideration, exposed weather decks..................171.122(f)Vessel sides.........................................Part 171, Subpart FWatertight bulkheads.................................Part 171, Subpart EWatertight, closed automatically:Mobile offshore drilling units................................174.015(b)Towing vessels................................................173.095(e)
PPassenger vessels, standards....................................Part 171Penetrations (See Openings)PermeabilityCalculation of, Type I subdivision...............................171.066Damage stability:Liquefied gas carriers...........................................172.185Mobile offshore drilling units...................................174.090Cargo tankers.................................................172.065(f)Passenger vessels.............................................171.080(c)Subchapter O tankships...........................................172.140Defined.......................................................170.055(m)Uniform average permeability:Type I subdivision.........................................Table 171.068Type II subdivision..............................................171.072Plans:Approval:General.....................................Part 170, Subpart C, 170.180Required.........................................................170.075Specific.........................................................170.093Submittal of............................................170.100, 170.180Port lights......................................................171.116
RRepairs:General..............................................170.001(b), 170.005In way of fixed ballast.......................................170.235(b)Roll stabilization tanks.........................................170.295Rudders, towline pull criterion..................................173.095
SSailing vessels:Defined..................................................170.055(a), (n)Intact stability standards:Catamarans.......................................................171.057Large passenger vessels..........................................171.055Weather criterion................................................170.160School ships (See Nautical school ships)Shaft power, towline pull criterion..............................173.095Shaft tunnels:On passenger vessels.................................171.100, 171.106(c)Watertight doors in...........................................170.260(d)Short international voyages, vessels on:Class 3 doors..............................................170.265(d)(1)Defined.......................................................171.010(n)Double bottoms not required................................171.105(h)(2)Special considerations...........................................171.068Side ports, passenger vessels....................................171.118Sister vessel, stability test dispensed with..................170.175(c)Small passenger vessels, standards..............................Part 171Stability booklets:Contents of......................................................170.110Lifting vessels, additional information..........................170.125Submission and approval required.................................170.080Vessels with Type III subdivision, additional information........170.135Stability letters: In lieu of stability booklet..................................170.110(e)Required.........................................................170.120Stability test:General..........................................................170.175Information required before test.................................170.085Plans and information required at test...........................170.180Preparations for test............................................170.185Test procedure, modification of..................................170.190Stern tubes, passenger vessels...................................171.100Subdivision:Oceanographic vessels...................................173.075, 173.085Passenger vessels:Additional requirements..............................Part 171, Subpart DCalculations:Type I................................171.065, 171.066, 171.067, 171.068Type II........................................171.070, 171.072, 171.073Type III.........................................................171.075Requirements, large passenger vessels............................171.060Trunks, effect of..........................................171.113(b)(3)Subdivision load line (draft), passenger vessels:Cockpits.................................................171.145(e), (f)Dead cover locations..........................................171.117(b)Deepest, defined..............................................171.010(b)Openings in hull, small passenger vessels.....................171.119(a)Port light locations.......................................171.116(b)(2)Transverse damage extent, relationship to...........171.065(h)(2), Table
171.080(a)Ventilators and side port locations...........................171.118(c)Superstructures:Buoyancy of:Liquefied gas carriers........................................172.195(e)Oil tankers...................................................172.065(h)Subchapter O tankships...........................................172.150Integrity of, mobile offshore drilling units..................174.100(b)Points of downflooding in:General.......................................................170.055(e)Mobile offshore drilling units.............................174.035(b)(1)Port lights in, oceanographic vessels.........................173.085(k)
TTank barge:Assumed center of gravity for..............................170.200(b)(2)Carrying oil in bulk.................................Part 172, Subpart DCarrying Subchapter D cargoes other than oil.........Part 172, Subpart CCarrying Subchapter O cargoes........................Part 172, Subpart EDefined.......................................................170.055(q)Tank vessel:Assumed center of gravity........................................170.200Defined.......................................................170.055(p)Standards for...........................Part 172, Subparts C, D, E, F, GTests:Foam flotation material..........................................170.245Stability...................................170.085, Part 170, Subpart FWatertight doors.................................................170.270Towboats. (See Towing)Towing, standards for.......173.001(d), Part 173, Subpart E, 174.005(d),
Part 174, Subpart ETowline pull criterion...........................................173.095 Tugboats. (See Towing)
UUnusual proportion and form, vessels of..........................170.173
VVentilators, automatic--passenger vessels........................171.118
WWatertight bulkheads:Doors, standards for...............171.122, 171.124, Part 170, Subpart HLiquefied gas carriers..................................172.175, 172.195Mobile offshore drilling units..........................174.080, 174.085Oceanographic vessels, ducts through..........................173.085(o)Oil tankers......................................................172.065Passenger vessels:Above weatherdeck................................................171.122Large passenger vessels, requirements.........171.065, 171.067, 171.068,
171.070, 171.073Machinery space..................................................171.095Penetrations of......................................Part 171, Subpart EWatertight floors................................................171.109Subchapter D barges not carrying oil.............................172.050Subchapter O barges..............................................172.104Subchapter O tankships...............................172.133(d), 172.150Watertight doors. (See Watertight bulkheads)Weather criterion....................................Part 170, Subpart EWind heeling moment: MODU's.............174.035(b)(2), 174.045, 174.055,
174.065(a)(2), 174.100(d)(2)________________________________________________________________________
State Laws: Watercraft| Alabama | Alabama Code > Title 33 > Chapter 5 - Registration And Operation Of Vessels | | Alabama Code > Title 33 > Chapter 6 - Discharge Of Litter And Sewage From Watercraft | | Alabama Code > Title 33 > Chapter 6A - Recreational Vessel And Residence Boat Sewage Discharges Regulated | | Alaska | Alaska Statutes Chapter 05.25 - Watercraft | | Alaska Statutes Chapter 30.30 - Abandoned And Derelict Vessels | | Arizona | Arizona Laws > Title 5 > Chapter 3 - Boating And Water Sports | | California | California Harbors and Navigation Code > Division 3 - Vessels | | California Harbors and Navigation Code > Division 4 - Masters, Crews And Cargoes | | California Harbors and Navigation Code > Division 5 - Pilots For Monterey Bay And The Bays Of San Francisco, San Pablo, And Suisun | | Connecticut | Connecticut General Statutes > Title 15 > Chapter 268 - Boating | | Delaware | Delaware Code Title 23 > Chapter 21 - Motorboats | | Delaware Code Title 23 > Chapter 22 - Boating Safety | | Delaware Code Title 23 > Chapter 23 - Operation Of A Vessel Or Boat While Under The Influence Of Intoxicating Liquor And/Or Drugs | | Delaware Code Title 23 > Chapter 24 - Exemptions From Civil Liability For Rendering Vessel Traffic Information Services | | Florida | Florida Statutes > Title XXIV - Vessels | | Florida Regulations Chapter 61B-60 - Yacht and Ship Brokers | | Florida Regulations > Division 68D - Vessel Registration and Boating Safety | | Idaho | Idaho Code Title 67 > Chapter 70 - Idaho Safe Boating Act | | Illinois | Illinois Compiled Statutes > 625 ILCS 45 - Boat Registration and Safety Act | | Indiana | Indiana Code > Title 9 > Article 31 - Watercraft Titling And Registration | | Indiana Code > Title 25 > Article 28 - Boat Pilots | | Kansas | Kansas Statutes > Chapter 32 > Article 11 - Boating And Water Activities | | Maine | Maine Revised Statutes > Title 10 > Chapter 204-B - Watercraft Manufacturers, Distributors And Dealers | | Maine Revised Statutes > Title 10 > Chapter 212-A - Maine Marina And Boatyard Storage Act | | Maine Revised Statutes > Title 10 > Chapter 627 - Vessels | | Maine Revised Statutes > Title 12 > Chapter 935 - Watercraft And Airmobiles | | Maine Revised Statutes Title 23 > Chapter 412 - Waterborne Transportation | | Massachusetts | Massachusetts General Laws > Part I > Title XIV > Chapter 90B - Motorboats And Other Vessels | | Michigan | Michigan Laws > Chapter 123 > Act 68 of 1957 - Regulation of Houseboats | | Michigan Laws > Chapter 445 > Act 88 of 1989 - Watercraft and Outboard Motor Manufacturers, Distributors, and Dealers | | Michigan Laws > Chapter 570 > Act 59 of 1864 - Lien On Watercraft | | Michigan Laws > Chapter 750 > Act 328 of 1931 > Chapter XV - Boats and Navigation | | Minnesota | Minnesota Statutes Chapter 86B - Water Safety, Watercraft, and Watercraft Titling | | Missouri | Missouri Laws > Title XIX > Chapter 306 - Watercraft Regulation and Licensing--State Water Patrol | | Nevada | Nevada Revised Statutes > Chapter 488 - Watercraft | | New Hampshire | New Hampshire Revised Statutes > Chapter 270-A - Use Of Houseboats | | New Hampshire Revised Statutes > Chapter 270-B - Abandoned Boats | | New Hampshire Revised Statutes > Chapter 270-D - Boating And Water Safety On New Hampshire Public Waters | | New Hampshire Revised Statutes > Chapter 270-E - Vessel Registration And Numbering | | New Mexico | New Mexico Statutes Chapter 66 > Article 12 - Boating | | New Mexico Statutes Chapter 66 > Article 13 - Boating While Intoxicated | | New York | New York Laws - General Business > Article 38 - Vessel Dealer Agreements | | New York | New York Laws > General Business > Article 38 - Vessel Dealer Agreements | | North Carolina | North Carolina General Statutes Chapter 75A - Boating and Water Safety | | North Dakota | North Dakota Code > Chapter 20.1-13 - Boating Regulation | | North Dakota Code > Chapter 20.1-13.1 - Intoxication Testing of Boat Operators | | North Dakota Code > Chapter 20.1-17 - Aquatic Nuisance Species | | Ohio | Ohio Code > Title 15 > Chapter 1547 - Watercraft And Waterways | | Ohio Code > Title 15 > Chapter 1548 - Watercraft Certificates Of Title | | Ohio Code > Title 45 > Chapter 4585 - Actions Relating To Watercraft | | Oregon | Oregon Statutes > Title 61 - Small Watercraft | | Rhode Island | Rhode Island General Laws > Chapter 46-8. Registration of Outboard Motors | | Rhode Island General Laws > Chapter 46-9. Pilots – Rhode Island Sound, Narragansett Bay, Sakonnet River, and Tributaries | | Rhode Island General Laws > Chapter 46-9.1. Pilots–Block Island Sound | | Rhode Island General Laws > Chapter 46-22. Regulation of Boats | | Rhode Island General Laws > Chapter 46-22.1. Uniform Boat Title Act | | Rhode Island General Laws > Chapter 46-22.2. Alcohol Boating Safety Act | | Rhode Island General Laws > Chapter 46-27. Personal Watercraft Safety Act | | South Carolina | South Carolina Code > Title 29 > Chapter 9 - Liens On Ships And Vessels | | South Carolina Code > Title 50 > Chapter 21 - Equipment And Operation Of Watercraft | | South Carolina Code > Title 50 > Chapter 23 - Watercraft And Outboard Motors | | South Carolina Code > Title 50 > Chapter 25 - Boating And Surfing At Particular Localities | | South Dakota | South Dakota Laws > Title 32 > Chapter 03A - Title, Registration And Taxation Of Boats | | South Dakota Laws > Title 32 > Chapter 07B - Regulation Of Boat Dealers | | South Dakota Laws > Title 42 > Chapter 8 - Watercraft | | Tennessee | Tennessee Code > Title 69 > Chapter 9 - Boating Regulation | | Texas | Texas Civil Statutes > Title 132 > Chapter 19 - Boat Or Motor Manufacturers, Distributors, And Dealers | | Utah | Utah Code > Title 73 > Chapter 18 - State Boating Act | | Utah Code > Title 73 > Chapter 18 - Boating - Litter and Pollution Control | | Utah Code > Title 73 > Chapter 18 - Water Safety | | Utah Code > Title 73 > Chapter 18 - Financial Responsibility of Motorboat Owners and Operators Act | | Vermont | Vermont Statutes > Title 25 > Chapter 1 - Operation of Vessels | | Virginia | Virginia Code Title 29.1 > Chapter 7 - Boating Laws | | Virginia Code Title 29.1 > Chapter 8 - Watercraft Dealer Licensing Act | | Virginia Code Title 62.1 > Chapter 18 - Protection of Aids to Navigation | | Wisconsin | Wisconsin Statutes > Chapter 30 > Subchapter V - Regulation Of Boating |
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