---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchE/part87"
level: "part"
label: "Part 87"
heading: "Annex Iv: Distress Signals"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchE-part87"
sections_count: 3
---

# Part 87 — Annex Iv: Distress Signals

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

## Sections

- [§87.01. Need of assistance.](/cfr/33/87.01.md)
- [§87.02. Exclusive use.](/cfr/33/87.02.md)
- [§87.03. Supplemental signals.](/cfr/33/87.03.md)