33 CFR § 401.63 - Radio procedures.

---
identifier: "/us/cfr/t33/s401.63"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 401.63 - Radio procedures."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "401.63"
section_name: "Radio procedures."
chapter_name: "GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION"
part_number: "401"
part_name: "SEAWAY REGULATIONS AND RULES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
cfr_part: "401"
---


# 401.63 Radio procedures.

Every vessel shall use the channels of communication in each control sector as listed in the table to this section.

Channels of Communication

| Station | Controlsectornumber | Sector limits | Call in | Work | Listeningwatch |
| --- | --- | --- | --- | --- | --- |
| Seaway Beauharnois | 1 | C.I.P No. 2 to C.I.P No. 6-7 | Ch. 14 | Ch. 14 | Ch. 14. |
| Seaway Eisenhower | 2 | C.I.P. No. 6-7 to C.I.P. No. 10-11 | Ch. 12 | Ch. 12 | Ch. 12. |
| Seaway Iroquois | 3 | C.I.P. No. 10-11 To Crossover Island | Ch. 11 | Ch. 11 | Ch. 11. |
| Seaway Clayton | 4 | Crossover Island to Cape Vincent | Ch. 13 | Ch. 13 | Ch. 13. |
| Seaway Sodus | 4 | Cape Vincent to Mid Lake Ontario | Ch. 12 | Ch. 12 | Ch. 16. |
| Seaway Newcastle | 5 | Mid Lake Ontario To C.I.P. No. 15 | Ch. 11 | Ch. 11 | Ch. 16. |
| Seaway Welland | 6 | C.I.P. No. 15 to C.I.P. No. 16 | Ch. 14 | Ch. 14 | Ch. 14. |
| Seaway Long Point | 7 | C.I.P. No. 16 to Long Point | Ch. 11 | Ch. 11 | Ch. 16. |

[75 FR 10690, Mar. 9, 2010]