---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI"
level: "chapter"
label: "Chapter I"
heading: "Coast Guard, Department of Homeland Security"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI"
sections_count: 3911
---

# Chapter I — Coast Guard, Department of Homeland Security

Title 33 C.F.R. — Navigation and Navigable Waters

## Contents

- [Subchapter A — General](/cfr/33/chI-subchA.md)
- [Subchapter B — Personnel](/cfr/33/chI-subchB.md)
- [Subchapter C — Aids to Navigation](/cfr/33/chI-subchC.md)
- [Subchapter D — International Navigation Rules](/cfr/33/chI-subchD.md)
- [Subchapter E — Inland Navigation Rules](/cfr/33/chI-subchE.md)
- [Subchapter F — Vessel Operating Regulations](/cfr/33/chI-subchF.md)
- [Subchapter G — Regattas and Marine Parades](/cfr/33/chI-subchG.md)
- [Subchapter H — Maritime Security](/cfr/33/chI-subchH.md)
- [Subchapter I — Anchorages](/cfr/33/chI-subchI.md)
- [Subchapter J — Bridges](/cfr/33/chI-subchJ.md)
- [Subchapter K — Security of Vessels](/cfr/33/chI-subchK.md)
- [Subchapter L — Waterfront Facilities](/cfr/33/chI-subchL.md)
- [Subchapter M — Marine Pollution Financial Responsibility and Compensation](/cfr/33/chI-subchM.md)
- [Subchapter N — Outer Continental Shelf Activities](/cfr/33/chI-subchN.md)
- [Subchapter NN — Deepwater Ports](/cfr/33/chI-subchNN.md)
- [Subchapter O — Pollution](/cfr/33/chI-subchO.md)
- [Subchapter P — Ports and Waterways Safety](/cfr/33/chI-subchP.md)
- [Subchapter Q-R — Subchapters Q-R [reserved]](/cfr/33/chI-subchQ-R.md)
- [Subchapter S — Boating Safety](/cfr/33/chI-subchS.md)