46 CFR § 147.67 - Halocarbon fire extinguishing systems.

---
identifier: "/us/cfr/t46/s147.67"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 147.67 - Halocarbon fire extinguishing systems."
title_number: 46
title_name: "Shipping"
section_number: "147.67"
section_name: "Halocarbon fire extinguishing systems."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "N"
subchapter_name: "DANGEROUS CARGOES"
part_number: "147"
part_name: "HAZARDOUS SHIPS' STORES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "CGD 84-044, 53 FR 7749, Mar. 10, 1988, unless otherwise noted."
cfr_part: "147"
---


# 147.67 Halocarbon fire extinguishing systems.

(a) Each halocarbon cylinder forming part of a clean agent fixed fire extinguishing system must be:

(1) Retested at least once every 12 years and before recharging if it has been discharged and more than five years have elapsed since the last test; or

(2) As an alternative, a cylinder conforming to the requirements of 49 CFR 180.209(g) may be given the complete external visual inspection in lieu of hydrostatic testing provided for by that section.

(b) A halocarbon cylinder must be removed from service if it:

(1) Leaks;

(2) Is dented, bulging, severely corroded, or otherwise weakened;

(3) Has lost more than 5 percent of its tare weight; or

(4) Has been involved in a fire.

(c) Flexible connections between cylinders and discharge piping for halocarbon fire extinguishing systems must be renewed or retested in accordance with section 7.3 of NFPA 2001 (incorporated by reference, see § 147.7).

[USCG-2006-24797, 77 FR 33886, June 7, 2012]