---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchH"
level: "subchap"
label: "Subchapter H"
heading: "Maritime Security"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchH"
sections_count: 203
---

# Subchapter H — Maritime Security

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

## Contents

- [Part 101 — Maritime Security: General](/cfr/33/chI-subchH-part101.md)
- [Part 102 — Maritime Security: National Maritime Transportation Security [reserved]](/cfr/33/chI-subchH-part102.md)
- [Part 103 — Maritime Security: Area Maritime Security](/cfr/33/chI-subchH-part103.md)
- [Part 104 — Maritime Security: Vessels](/cfr/33/chI-subchH-part104.md)
- [Part 105 — Maritime Security: Facilities](/cfr/33/chI-subchH-part105.md)
- [Part 106 — Marine Security: Outer Continental Shelf (ocs) Facilities](/cfr/33/chI-subchH-part106.md)
- [Part 107 — National Vessel and Facility Control Measures and Limited Access Areas](/cfr/33/chI-subchH-part107.md)