Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 47 - Telecommunication |
Chapter I - Federal Communications Commission |
SubChapter D - Safety and Special Radio Services |
Part 80 - Stations in the Maritime Services |
Subpart H - Frequencies |
Ais Stations |
§ 80.393 - Frequencies for AIS stations.
Latest version.
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§ 80.393 Frequencies for AIS stations.
Automatic Identification Systems (AIS) are a maritime broadcast service. The simplex channels at 156.775 MHz (AIS 3), 156.825 MHz (AIS 4), 161.975 MHz (AIS 1), and 162.025 MHz (AIS 2), each with a 25 kHz bandwidth, may be authorized only for AIS. In accordance with the Maritime Transportation Security Act, the United States Coast Guard regulates AIS carriage requirements for non-Federal Government ships. These requirements are codified at 33 CFR 164.46, 401.20.