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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 87-ANNEX - PART 87-ANNEX IV: DISTRESS SIGNALS
§ 87.01 - Need of assistance.
§ 87.02 - Exclusive use.
§ 87.03 - Supplemental signals.
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