---
kind: "section"
citation: "46 C.F.R. § 147.45"
title: "46"
number: "147.45"
heading: "Flammable and combustible liquids."
url: "https://uscodex.org/cfr/46/147.45"
---

# §147.45. Flammable and combustible liquids.

- (a) This section applies to the stowage and transfer of flammable and combustible liquids (including gasoline and diesel oil), other than liquids used as fuel for cooking, heating, and lighting under [§ 147.50](/cfr/46/147.50.md).
- (b) No flammable or combustible liquids may be stowed in any accommodation, control, or service space (other than a paint locker).
- (c) No more than 19 liters (five gallons) of flammable liquids may be stowed in any machinery space. The flammable liquids must be in containers of 3.8 liters (one gallon) or less.
- (d) No more than 208 liters (55 gallons) of combustible liquids may be stowed in any machinery space.
- (e) An aggregate of more than 7.6 liters (two gallons) of flammable or combustible liquids stowed outside of an accommodation, control, or service, space (other than a paint locker) or outside of a machinery space must be stowed in a paint locker that is marked with a warning sign indicating flammable or combustible liquid storage.
- (f) Flammable and combustible liquids used as fuel for portable auxiliary equipment must be stored in—
  - (1) Integral tanks that form part of the vessel's structure;
  - (2) An independent tank meeting the requirements of [subpart 58.50 of Part 58](/cfr/46/part58-subpart58.50.md) of this chapter;
  - (3) A non-bulk packaging authorized for Class 3 (flammable) liquids or combustible liquids under 49 CFR [173.201](/cfr/49/173.201.md), [173.202](/cfr/49/173.202.md), or [173.203](/cfr/49/173.203.md), as referenced for the specific liquid in column 8B of the Hazardous Materials Table of [49 CFR 172.101](/cfr/49/172.101.md).
  - (4) A portable outboard fuel tank meeting the specifications of ABYC H-25-81 (incorporated by reference, see [§ 147.7](/cfr/46/147.7.md)) or one identified by Underwriters Laboratories as meeting the specifications of UL 1185 (incorporated by reference, see [§ 147.7](/cfr/46/147.7.md));
  - (5) A portable safety container identified by Underwriters Laboratories as meeting the specifications of UL 30 or UL 1313 (both incorporated by reference, see [§ 147.7](/cfr/46/147.7.md)); or
  - (6) A portable safety container identified by Underwriters Laboratories as meeting the requirements of UL 1314 (incorporated by reference, see [§ 147.7](/cfr/46/147.7.md)).
- (g) Each portable container of flammable or combustible liquid used for portable auxiliary equipment must be stowed in a paint locker or an open location designated by the master.
- (h) Fuel tanks for portable auxiliary equipment using flammable or combustible liquids may only be refilled on a vessel—
  - (1) By using a container described in paragraph [(f)(2)](#f-2), [(f)(3)](#f-3), or [(f)(5)](#f-5) of this section which has a capacity not exceeding 23 liters (6 gallons); or
  - (2) In the case of portable outboard fuel tanks described in [paragraph (f)(4)](#f-4) of this section, in accordance with paragraph (i) of this section.
    - (i) Portable containers or portable outboard fuel tanks may be refilled from a larger container of flammable or combustible liquid on the weather deck of a vessel, other than a small passenger vessel subject to Subchapter T of this chapter, provided that—
  - (1) A drip pan of adequate size is used to collect any drippings; and
  - (2) At least one Coast Guard approved Type B, Size I, fire extinguisher is within three meters (9.75 feet) of the refilling location.

## Notes

### Amendments

[CGD 84-044, 53 FR 7749, Mar. 10, 1988, as amended by CGD 92-100, 59 FR 17001, Apr. 11, 1994; CGD 97-057, 62 FR 51048, Sept. 30, 1997; USCG-2006-24797, 77 FR 33885, June 7, 2012]

### Authority

Authority: 46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4.

### Source

Source: CGD 84-044, 53 FR 7749, Mar. 10, 1988, unless otherwise noted.

### Amendments

[CGD 84-044, 53 FR 7749, Mar. 10, 1988, as amended by CGD 92-100, 59 FR 17001, Apr. 11, 1994; CGD 97-057, 62 FR 51048, Sept. 30, 1997; USCG-2006-24797, 77 FR 33885, June 7, 2012]