---
kind: "section"
citation: "46 C.F.R. § 160.176-3"
title: "46"
number: "160.176-3"
heading: "Definitions."
url: "https://uscodex.org/cfr/46/160.176-3"
---

# §160.176-3. Definitions.

- (a) Commandant means the Commandant means the Chief of the Lifesaving and Fire Safety Standards Division. Address: Commandant (CG-ENG-4), Attn: Lifesaving and Fire Safety Division, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue, SE., Washington, DC 20593-7509; telephone 202-372-1392 or fax 202-372-1924.
- (b) First quality worksmanship means construction which is free from any defect materially affecting appearance or serviceability.
- (c) **Functional deterioration—** means—
  - (1) Damage such as deformation in hardware or a rip, tear, or loose stitches;
  - (2) Decline in any performance characteristic; or
  - (3) **Any other change making the lifejacket unfit for use.**
- (d) **Functional residual capacity—**
  - (FRC) means the amount of lung volume a person has remaining at the bottom of the normal breathing cycle when at rest.
- (e) Inflation medium means any solid, liquid, or gas, that, when activated, provides inflation for buoyancy.
- (f) Inspector means an independent laboratory representative assigned to perform the duties described in [§ 160.176-15](/cfr/46/160.176-15.md) of this subpart.
- (g) PFD means personal flotation device as defined in [33 CFR 175.13](/cfr/33/175.13.md).
- (h) Reference vest means a model AK-1 PFD meeting [subpart 160.047](/cfr/46/subpart160.047.md) of this part, except that, in lieu of the weight and displacement values prescribed in Tables 160.047-4(c)(2) and [§ 160.047-(4)(c)(4)](/cfr/46/160.047-.md?p=4-c-4), each front insert must have a weight of kapok of at least 8.25 oz. and a volume displacement of 9.0 ±0.25 lb., and the back insert must have a weight of kapok of at least 5.5 oz. and a volume displacement of 6.0 ±0.25 lb. To achieve the specified volume displacement, front insert envelopes may be larger than the dimensions prescribed by [§ 160.047-1(b)](/cfr/46/160.047-1.md?p=b).
- (i) [Reserved]
- (j) Second stage donning means adjustments or steps necessary to make a lifejacket provide its intended flotation characteristics after the device has been properly donned and then inflated.

## Notes

### Amendments

[CGD 78-174b, 54 FR 50320, Dec. 5, 1989, as amended by CGD 95-072, 60 FR 50466, Sept. 29, 1995; CGD 96-041, 61 FR 50733, Sept. 27, 1996; USCG-2009-0702, 74 FR 49238, Sept. 25, 2009; USCG-2013-0671, 78 FR 60159, Sept. 30, 2013]

### Source

Source: CGD 78-174b, 54 FR 50320, Dec. 5, 1989, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 2103, 3306, 3703, 4302; E.O. 12234; 45 FR 58801; 3 CFR, 1980 Comp., p. 277; and DHS Delegation 00170.1, Revision No. 01.4.

### Amendments

[CGD 78-174b, 54 FR 50320, Dec. 5, 1989, as amended by CGD 95-072, 60 FR 50466, Sept. 29, 1995; CGD 96-041, 61 FR 50733, Sept. 27, 1996; USCG-2009-0702, 74 FR 49238, Sept. 25, 2009; USCG-2013-0671, 78 FR 60159, Sept. 30, 2013]