---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchL/part133"
level: "part"
label: "Part 133"
heading: "Lifesaving Systems"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchL-part133"
sections_count: 23
---

# Part 133 — Lifesaving Systems

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter L — Offshore Supply Vessels

## Contents

- [Subpart A — General](/cfr/46/chI-subchL-part133-subpartA.md)
- [Subpart B — Requirements for All OSVs](/cfr/46/chI-subchL-part133-subpartB.md)