---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "stV/ptB/ch511"
level: "chapter"
label: "Chapter 511"
heading: "General"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/46/stV-ptB-ch511"
sections_count: 4
---

# Chapter 511 — General

Title 46 — Shipping › Subtitle V — Merchant Marine › Part B — Merchant Marine Service

## Sections

- [§51101. Policy](/usc/46/51101.md)
- [§51102. Definitions](/usc/46/51102.md)
- [§51103. General authority of Secretary of Transportation](/usc/46/51103.md)
- [§51104. General authority of Secretary of the Navy](/usc/46/51104.md)