---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchM/part138"
level: "part"
label: "Part 138"
heading: "Towing Safety Management System (tsms)"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchM-part138"
sections_count: 16
---

# Part 138 — Towing Safety Management System (tsms)

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

## Contents

- [Subpart A — General](/cfr/46/chI-subchM-part138-subpartA.md)
- [Subpart B — Towing Safety Management System (TSMS)](/cfr/46/chI-subchM-part138-subpartB.md)
- [Subpart C — Documenting Compliance](/cfr/46/chI-subchM-part138-subpartC.md)
- [Subpart D — Audits](/cfr/46/chI-subchM-part138-subpartD.md)
- [Subpart E — Coast Guard or Organizational Oversight and Review](/cfr/46/chI-subchM-part138-subpartE.md)