46 CFR 199.10: Applicability of lifesaving requirements to inspected vessels
Last reviewed: October 14, 2026
This section sets out which inspected vessels must meet the lifesaving requirements of this part, using Table 199.10(a). It sorts vessels into passenger and cargo categories and sets which subparts apply on international and other voyages. It also covers new lifesaving appliances and repairs or alterations to them.
Applies toAll vessels inspected under U.S. law as set out in Table 199.10(a), unless this Chapter expressly provides otherwise.
What it says
This part applies to all vessels inspected under U.S. law as set out in Table 199.10(a), unless this Chapter expressly provides otherwise.
46 CFR 199.10(a)“Unless expressly provided otherwise in this Chapter, this part applies to all vessels inspected under U.S. law as set out in Table 199.10(a).”
Unless otherwise required by this chapter, this part does not apply to offshore supply vessels, mobile offshore drilling units, small passenger vessels and sailing school vessels.
46 CFR 199.10(b)“Unless otherwise required by this chapter, it does not apply to offshore supply vessels; mobile offshore drilling units; small passenger vessels; and sailing school vessels.”
A cargo vessel converted to a passenger vessel is deemed a passenger vessel constructed on the date the conversion commences.
46 CFR 199.10(c)“a cargo vessel, whenever constructed, which is converted to a passenger vessel is deemed to be a passenger vessel that is constructed on the date on which the conversion commences.”
Passenger vessels on international voyages must meet the requirements of this subpart and subparts B and C of this part.
46 CFR 199.10(g)(1)“Passenger vessels on international voyages must meet the requirements of this subpart and subparts B and C of this part.”
Cargo vessels on international voyages must meet the requirements of this subpart and subparts B and D of this part.
46 CFR 199.10(g)(2)“Cargo vessels on international voyages must meet the requirements of this subpart and subparts B and D of this part.”
Vessels not on international voyages, and vessels listed in paragraph (d), must meet this subpart and subparts B, C, D, and E of this part, unless subpart F of this part otherwise exempts or permits.
46 CFR 199.10(h)“Vessels not on international voyages and vessels listed in paragraph (d) of this section must meet the requirements of this subpart and subparts B, C, D, and E of this part unless otherwise exempted or permitted by subpart F of this part.”
When a lifesaving appliance or arrangement is replaced, or the vessel undergoes major repairs, alterations or modifications involving replacement or addition, each new appliance and arrangement must meet this part, unless the OCMI determines the vessel cannot accommodate it. A survival craft replaced without its davit and winch need not meet this part, and a davit and winch replaced without the survival craft need not meet this part.
46 CFR 199.10(i)(1)“A survival craft is not required to meet the requirements of this part if it is replaced without replacing its davit and winch; and”
Except in an emergency, no extensive repairs or alterations may be made to a lifesaving appliance without advance notification to the OCMI.
46 CFR 199.10(j)“No extensive repairs or alterations, except in an emergency, may be made to a lifesaving appliance without advance notification to the OCMI.”
Common questions
Does 46 CFR 199.10 apply to small passenger vessels?
Unless otherwise required by this chapter, this part does not apply to small passenger vessels. It also excludes offshore supply vessels, mobile offshore drilling units and sailing school vessels on the same terms.
“Unless otherwise required by this chapter, it does not apply to offshore supply vessels; mobile offshore drilling units; small passenger vessels; and sailing school vessels.”
Do I need to notify the OCMI before repairing a lifesaving appliance?
Extensive repairs or alterations to a lifesaving appliance need advance notification to the OCMI, except in an emergency. Emergency repairs or alterations must be reported as soon as practicable.
“Emergency repairs or alterations must be reported as soon as practicable to the OCMI responsible for the port or location where the vessel may call after such repairs are made.”
What happens when a cargo vessel is converted to a passenger vessel?
For this part, the vessel is deemed a passenger vessel constructed on the date the conversion commences.
“a cargo vessel, whenever constructed, which is converted to a passenger vessel is deemed to be a passenger vessel that is constructed on the date on which the conversion commences.”
The text of 46 CFR 199.10
Electronic Code of Federal Regulations (eCFR), current as of April 16, 2026 · Read it on eCFR
Applicability
(a) General. Unless expressly provided otherwise in this Chapter, this part applies to all vessels inspected under U.S. law as set out in Table 199.10(a).
Table 199.10(a)—Lifesaving Requirements for Inspected Vessels Row 46 CFRsubchapter Vesseltype Vesselservice Subchapter W subparts applicable 1 Other 2 A B C D E F 1 D Tank ≥500 tons International voyage 3 X X X 2 D Tank <500 tons International voyage 3 X X X X X 3 D Tank All other services X X X X X 4 H Passenger International voyage 3 X X X 5 H Passenger Short Inter'l voyage 3 X X X 6 H Passenger All other services X X X X X 7 I Cargo ≥500 tons International voyage 3 X X X 8 I Cargo <500 tons International voyage 3 X X X X X 9 I Cargo All other services X X X X X 10 I-A MODU All 46 CFR part 108. 11 K Small Passenger International voyage 3 X X X 12 K Small Passenger Short Inter'l voyage 3 X X X 13 K Small Passenger All other services 46 CFR part 117. 14 L Offshore Supply All 46 CFR part 133. 15 M Towing Vessels International voyage 3 X X X 16 M Towing Vessels All other 46 CFR part 141. 17 R—Part 167 Public Nautical School International voyage 3 X X X 4 X 5 18 R—Part 167 Public Nautical School All other services X X X 4 X 5 X X 19 R—Part 168 Civilian Nautical School International voyage 3 X X X 4 X 5 20 R—Part 168 Civilian Nautical School All other services X X X 4 X 5 X
X 21 R—Part 169 Sailing School All services 46 CFR 169.500. 22 T Small Passenger International voyage 3 X X X 23 T Small Passenger Short Int'l voyage 3 X X X 24 T Small Passenger All other services 46 CFR part 180. 25 U Oceanographic Res International voyage 3 X X X 4 X 5 26 U Oceanographic Res All other services X X X 4 X 5 X X Notes: 1 Subchapter W of this chapter does not apply to inspected nonself-propelled vessels without accommodations or work stations on board. 2 Indicates section where primary lifesaving system requirements are located.
Other regulations may also apply. 3 Not including vessels solely navigating the Great Lakes of North America and the Saint Lawrence River as far east as a straight line drawn from Cap des Rosiers to West Point, Anticosti Island and, on the north side Anticosti Island, the 63rd meridian. 4 Applies to vessels carrying more than 50 special personnel, or vessels carrying not more than 50 special personnel if the vessels meet the structural fire protection requirements in subchapter H of this chapter for passenger vessels of the same size. 5 Applies to vessels carrying not more than 50 special personnel that do not meet the structural fire protection requirements in subchapter H of this chapter for passenger vessels of the same size.
(b) Inspected vessels not covered under this subchapter. This part does not apply to non-self-propelled vessels without accommodations or work stations on board. Unless otherwise required by this chapter, it does not apply to offshore supply vessels; mobile offshore drilling units; small passenger vessels; and sailing school vessels.
(c) Conversion of cargo vessel to passenger vessel. For purposes of the application of this part, a cargo vessel, whenever constructed, which is converted to a passenger vessel is deemed to be a passenger vessel that is constructed on the date on which the conversion commences.
(d) Vessels on international voyages. This subpart and subparts B, C, and D of this part apply to vessels engaged on international voyages, except—
(1) Cargo vessels of less than 500 tons gross tonnage;
(2) Vessels not propelled by mechanical means;
(3) Wooden vessels of primitive build; and
(4) Vessels solely navigating the Great Lakes of North America and the River Saint Lawrence as far east as a straight line drawn from Cap des Rosiers to West Point, Anticosti Island, and on the north side Anticosti Island, the 63rd meridian.
(5) Tank vessels constructed before October 1, 1996 engaged in voyages between the continental United States and Alaska or Hawaii, and all other vessels engaged on international voyages which were constructed before July 1, 1986, must meet the requirements of §§ 199.70(b)(4)(i), 199.80, 199.90, 199.100, 199.180, 199.190 (paragraph (b) applies as much as practicable), 199.214, 199.217, 199.250, 199.261 (b)(2) and (e), and 199.273, and must fit retro-reflective material on all floating appliances, lifejackets and immersion suits. Except for the requirements of § 199.261 (b)(2) and (e), vessels may retain the number, type, and arrangement of lifesaving appliances previously required and approved for the vessel as long as the arrangement or appliance is maintained in good condition to the satisfaction of the OCMI.
(e) Passenger vessels. For the purposes of this part, the following vessels must meet the requirements for passenger vessels:
(1) Passenger vessels.
(2) Special purpose vessels carrying more than 50 special personnel.
(3) Special purpose vessels carrying not more than 50 special personnel if the vessels meet the structural fire protection requirements in subchapter H of this chapter for passenger vessels of the same size.
(f) Cargo vessels. For the purposes of this part, the following vessels must meet the requirements for cargo vessels:
(1) Cargo vessels.
(2) Tank vessels.
(3) Special purpose vessels carrying not more than 50 special personnel that do not meet the structural fire protection requirements in subchapter H of this chapter for passenger vessels of the same size.
(g) Subparts applying to vessels on international and short international voyages. (1) Passenger vessels on international voyages must meet the requirements of this subpart and subparts B and C of this part.
(2) Cargo vessels on international voyages must meet the requirements of this subpart and subparts B and D of this part.
(3) The provisions for passenger vessels on short international voyages in this subpart and subparts B and C of this part do not apply to special purpose vessels described in paragraphs (e)(2) and (3) of this section.
(h) Vessels not subject to SOLAS. Vessels not on international voyages and vessels listed in paragraph (d) of this section must meet the requirements of this subpart and subparts B, C, D, and E of this part unless otherwise exempted or permitted by subpart F of this part.
(1) Vessels on other than international voyages and vessels listed in paragraph (d) of this section which were constructed prior to October 1, 1996, must—
(i) By October 1, 1999, meet the requirements of §§ 199.70(b)(4)(i), 199.80, 199.90, 199.100, 199.180, 199.190 (paragraph (b) applies as much as practicable), 199.217, 199.250, 199.273, and 199.510, and fit retroreflective material on all floating appliances, lifejackets, and immersion suits;
(ii) By October 1, 2003, passenger vessels must carry the number and type of survival craft specified in table 199.630 of this part and cargo vessels in oceans and coastwise service must carry the number and type of survival craft specified in § 199.261(b)(2) and (e);
(iii) By October 1, 2003, passenger vessels must carry the immersion suits and thermal protective aids specified in § 199.214; and
(iv) Except for the requirements in paragraphs (h)(1)(ii) and (h)(1)(iii) of this section, vessels may retain the number, type, and arrangement of lifesaving equipment, including lifeboats, lifeboat davits, winches, inflatable liferafts, liferaft launching equipment, rescue boats, lifefloats, and buoyant apparatus previously required and approved for the vessel as long as the arrangement or appliance is maintained in good condition to the satisfaction of the OCMI.
(2) This paragraph does not apply to public vessels.
(i) New lifesaving appliances or arrangements. When any lifesaving appliance or arrangement on a vessel subject to this part is replaced, or when the vessel undergoes repairs, alterations, or modifications of a major character involving replacement of, or any addition to, the existing lifesaving appliance or arrangements, each new lifesaving appliance and arrangement must meet the requirements of this part, unless the OCMI determines that the vessel cannot accommodate the new appliance or arrangement, except that—
(1) A survival craft is not required to meet the requirements of this part if it is replaced without replacing its davit and winch; and
(2) A davit and its winch are not required to meet the requirements of this part if one or both are replaced without replacing the survival craft.
(j) Repairs and alterations to lifesaving appliances. No extensive repairs or alterations, except in an emergency, may be made to a lifesaving appliance without advance notification to the OCMI. Insofar as possible, each repair or alteration must be made with material, and tested in the manner, specified in this subchapter and applicable to the new construction requirements in subchapter Q of this chapter. Emergency repairs or alterations must be reported as soon as practicable to the OCMI responsible for the port or location where the vessel may call after such repairs are made. Lifeboats, rescue boats, or rigid liferafts may not be reconditioned for use on a vessel other than the one they were originally built for, unless specifically accepted by the OCMI.
(k) Vessels reflagged under Sec. 1137, Coast Guard Authorization Act of 1996. Vessels that qualify for a certificate of inspection under the provisions of section 1137, Coast Guard Authorization Act of 1996, Public Law 104-324, 110 Stat. 3988 (46 U.S.C.A. app. 1187, Note), are not subject to the requirements of this part if such vessels meet lifesaving equipment standards required under section 1137 as determined by the Commandant.
Sections it refers to
The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. Regulation text current as of April 16, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.