33 CFR § 149.125 - What are the requirements for the malfunction detection system?
---
identifier: "/us/cfr/t33/s149.125"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 149.125 - What are the requirements for the malfunction detection system?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "149.125"
section_name: "What are the requirements for the malfunction detection system?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "NN"
subchapter_name: "DEEPWATER PORTS"
part_number: "149"
part_name: "DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT"
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. 1504, 1509; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted."
cfr_part: "149"
---
# 149.125 What are the requirements for the malfunction detection system?
(a) Each oil and natural gas system, between a pumping platform complex and the shore, must have a system that can detect and locate leaks and other malfunctions, particularly in high-risk areas.
(b) The marine transfer area on an oil deepwater port must be equipped with a monitoring system in accordance with § 154.525 of this chapter.
(c) A natural gas deepwater port must be equipped with gas detection equipment adequate for the type of transfer system, including storage and regasification, used. The Commandant (CG-5P) will evaluate proposed leak-detection systems for natural gas on an individual basis.
[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39178, July 1, 2013]