---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchE"
level: "subchap"
label: "Subchapter E"
heading: "Inland Navigation Rules"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchE"
sections_count: 76
---

# Subchapter E — Inland Navigation Rules

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

## Contents

- [Part 83 — Navigation Rules](/cfr/33/chI-subchE-part83.md)
- [Part 84 — Annex I: Positioning and Technical Details of Lights and Shapes](/cfr/33/chI-subchE-part84.md)
- [Part 85 — Part 85 [reserved]](/cfr/33/chI-subchE-part85.md)
- [Part 86 — Annex Iii: Technical Details of Sound Signal Appliances](/cfr/33/chI-subchE-part86.md)
- [Part 87 — Annex Iv: Distress Signals](/cfr/33/chI-subchE-part87.md)
- [Part 88 — Annex V: Pilot Rules](/cfr/33/chI-subchE-part88.md)
- [Part 89 — Inland Navigation Rules: Implementing Rules](/cfr/33/chI-subchE-part89.md)
- [Part 90 — Inland Rules: Interpretative Rules](/cfr/33/chI-subchE-part90.md)