33 CFR § 150.520 - When must fire extinguishing equipment be tested and inspected?

---
identifier: "/us/cfr/t33/s150.520"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 150.520 - When must fire extinguishing equipment be tested and inspected?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "150.520"
section_name: "When must fire extinguishing equipment be tested and inspected?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "NN"
subchapter_name: "DEEPWATER PORTS"
part_number: "150"
part_name: "DEEPWATER PORTS: OPERATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j)(1)(C), (j)(5), (j)(6), (m)(2), 1509(a); 46 U.S.C. 70034; E.O. 12777, sec. 2; E.O. 13286, sec. 34, 68 FR 10619; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted."
cfr_part: "150"
---


# 150.520 When must fire extinguishing equipment be tested and inspected?

The operations manual must specify how and when the operator will test and inspect each portable fire extinguisher, semi-portable fire extinguisher, and fixed fire extinguishing system. These specifications must accord with 46 CFR 31.10-18.