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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jan 21, 2026
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Title 33
Chapter I
Part 67-AIDS
Subpart 67.30 - Subpart 67.30-Class “C” Requirements
§ 67.30-1 - Class “C” structures.
§ 67.30-5 - Obstruction lights.
§ 67.30-10 - Sound signals.
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