33 C.F.R. § 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