33 CFR § 165.1 - Purpose of part.

---
identifier: "/us/cfr/t33/s165.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 165.1 - Purpose of part."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "165.1"
section_name: "Purpose of part."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "165"
part_name: "REGULATED NAVIGATION AREAS AND LIMITED ACCESS AREAS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70034, 70051, 70124; 33 CFR 1.05-1, 6.04-1, 6.04-6, and 160.5; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 79-034, 47 FR 29660, July 8, 1982, unless otherwise noted."
cfr_part: "165"
---


# 165.1 Purpose of part.

The purpose of this part is to:

(a) Prescribe procedures for establishing different types of limited or controlled access areas and regulated navigation areas;

(b) Prescribe general regulations for different types of limited or controlled access areas and regulated navigation areas;

(c) Prescribe specific requirements for established areas; and

(d) List specific areas and their boundaries.