Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 33 - Navigation and Navigable Waters |
Chapter I - Coast Guard, Department of Homeland Security |
SubChapter E - Inland Navigation Rules |
Part 83 - Rules |
Subpart D - Sound and Light Signals |
§ 83.32 - Definitions (Rule 32).
Latest version.
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§ 83.32 Definitions (Rule 32).
(a) The word whistle means any sound signaling appliance capable of producing the prescribed blasts and which complies with specifications in Annex III to these Rules (33 CFR part 86).
(b) The term short blast means a blast of about 1 second's duration.
(c) The term prolonged blast means a blast of from 4 to 6 seconds' duration.