{"data":{"id":"us/33-cfr-401.63","jurisdiction":"us","citation":"33 CFR 401.63","heading":"Radio procedures.","body":"Every vessel shall use the channels of communication in each control sector as listed in the table to this section.\nChannels of Communication\nStation Control sector number Sector limits Call in Work Listening watch\nSeaway Beauharnois 1 C.I.P No. 2 to C.I.P No. 6-7 Ch. 14 Ch. 14 Ch. 14.\nSeaway Eisenhower 2 C.I.P. No. 6-7 to C.I.P. No. 10-11 Ch. 12 Ch. 12 Ch. 12.\nSeaway Iroquois 3 C.I.P. No. 10-11 To Crossover Island Ch. 11 Ch. 11 Ch. 11.\nSeaway Clayton 4 Crossover Island to Cape Vincent Ch. 13 Ch. 13 Ch. 13.\nSeaway Sodus 4 Cape Vincent to Mid Lake Ontario Ch. 12 Ch. 12 Ch. 16.\nSeaway Newcastle 5 Mid Lake Ontario To C.I.P. No. 15 Ch. 11 Ch. 11 Ch. 16.\nSeaway Welland 6 C.I.P. No. 15 to C.I.P. No. 16 Ch. 14 Ch. 14 Ch. 14.\nSeaway Long Point 7 C.I.P. No. 16 to Long Point Ch. 11 Ch. 11 Ch. 16.","path":["Title 33—Navigation and Navigable Waters","CHAPTER IV—GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION","PART 401—SEAWAY REGULATIONS AND RULES","Subpart A—Regulations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"1be79ee68406493ab96d4bfb35987f8565d2490a682fbbab9407235d3732a97b","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-401.62","next":"us/33-cfr-401.64"},"notice":"GroundRules: Original legal text. Not legal advice."}