---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchS/part187"
level: "part"
label: "Part 187"
heading: "Vessel Identification System"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchS-part187"
sections_count: 39
---

# Part 187 — Vessel Identification System

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

## Contents

- [Subpart A — General](/cfr/33/chI-subchS-part187-subpartA.md)
- [Subpart B — Information to be Collected by Participating States](/cfr/33/chI-subchS-part187-subpartB.md)
- [Subpart C — Requirements for Participating in VIS](/cfr/33/chI-subchS-part187-subpartC.md)
- [Subpart D — State Vessel Titling Systems [Docket No. USCG-2018-0160, 87 FR 34192, June 6, 2022]](/cfr/33/chI-subchS-part187-subpartD.md)