---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchM/part140"
level: "part"
label: "Part 140"
heading: "Operations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchM-part140"
sections_count: 47
---

# Part 140 — Operations

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-part140-subpartA.md)
- [Subpart B — General Operational Safety](/cfr/46/chI-subchM-part140-subpartB.md)
- [Subpart C — Subpart C [Reserved]](/cfr/46/chI-subchM-part140-subpartC.md)
- [Subpart D — Crew Safety](/cfr/46/chI-subchM-part140-subpartD.md)
- [Subpart E — Safety and Health](/cfr/46/chI-subchM-part140-subpartE.md)
- [Subpart F — Vessel Operational Safety](/cfr/46/chI-subchM-part140-subpartF.md)
- [Subpart G — Navigation and Communication Equipment](/cfr/46/chI-subchM-part140-subpartG.md)
- [Subpart H — Towing Safety](/cfr/46/chI-subchM-part140-subpartH.md)
- [Subpart I — Vessel Records](/cfr/46/chI-subchM-part140-subpartI.md)
- [Subpart J — Penalties](/cfr/46/chI-subchM-part140-subpartJ.md)