---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchS"
level: "subchap"
label: "Subchapter S"
heading: "Boating Safety"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchS"
sections_count: 263
---

# Subchapter S — Boating Safety

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter I — Coast Guard, Department of Homeland Security

## Contents

- [Part 173 — Vessel Numbering and Casualty and Accident Reporting](/cfr/33/chI-subchS-part173.md)
- [Part 174 — State Numbering and Casualty Reporting Systems](/cfr/33/chI-subchS-part174.md)
- [Part 175 — Equipment Requirements](/cfr/33/chI-subchS-part175.md)
- [Part 177 — Correction of Especially Hazardous Conditions](/cfr/33/chI-subchS-part177.md)
- [Part 179 — Defect Notification](/cfr/33/chI-subchS-part179.md)
- [Part 181 — Manufacturer Requirements](/cfr/33/chI-subchS-part181.md)
- [Part 183 — Boats and Associated Equipment](/cfr/33/chI-subchS-part183.md)
- [Part 184-186 — Parts 184-186 [reserved]](/cfr/33/chI-subchS-part184-186.md)
- [Part 187 — Vessel Identification System](/cfr/33/chI-subchS-part187.md)
- [Part 188-199 — Parts 188-199 [reserved]](/cfr/33/chI-subchS-part188-199.md)