---
kind: "range"
citation: "33 C.F.R. §§ 167.51–167.53"
title: "33"
from: "167.51"
to: "167.53"
count: 3
url: "https://uscodex.org/cfr/33/167.51..167.53"
---

# §167.51. In the approaches to Portland, ME: Precautionary area.


A precautionary area is established with a radius of 5.45 miles centered upon geographical position 43°31.60′ N, 70°05.53′ W, the areas within separation zones and traffic lanes excluded.


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

# §167.53. In the approaches to Portland, ME: Southern approach.

- (a) A separation zone 1 mile wide is established and is centered upon the following geographical positions:
- (b) **A traffic lane 1 1/2 mile wide is established on each side of the separation zone.**