33 CFR § 167.52 - In the approaches to Portland, ME: Eastern approach.

---
identifier: "/us/cfr/t33/s167.52"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 167.52 - In the approaches to Portland, ME: Eastern approach."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "167.52"
section_name: "In the approaches to Portland, ME: Eastern approach."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "167"
part_name: "OFFSHORE TRAFFIC SEPARATION SCHEMES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70001, 70003; Department of Homeland Security Delegation No. 0170.0."
regulatory_source: "CGD 81-080, 48 FR 36456, Aug. 11, 1983, unless otherwise noted."
cfr_part: "167"
---


# 167.52 In the approaches to Portland, ME: Eastern approach.

(a) A separation zone 1 mile wide is established and is centered upon the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 43°30.18′ N | 069°59.17′ W. |
| 43°24.28′ N | 069°32.70′ W. |

(b) A traffic lane 
1/2 miles wide is established on each side of the separation zone.

[USCG-2010-0718, 75 FR 77533, Dec. 13, 2010]