---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchL/part128"
level: "part"
label: "Part 128"
heading: "Marine Engineering: Equipment and Systems"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchL-part128"
sections_count: 14
---

# Part 128 — Marine Engineering: Equipment and 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-part128-subpartA.md)
- [Subpart B — Materials and Pressure Design](/cfr/46/chI-subchL-part128-subpartB.md)
- [Subpart C — Main and Auxiliary Machinery](/cfr/46/chI-subchL-part128-subpartC.md)
- [Subpart D — Design Requirements for Specific Systems](/cfr/46/chI-subchL-part128-subpartD.md)