CFR
- Title 1 - General Provisions
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- Title 48 - Federal Acquisition Regulations System
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- Title 50 - Wildlife and Fisheries
86.15—Towing vessel whistles.
A power-driven vessel normally engaged in pushing ahead or towing alongside may, at all times, use a whistle whose characteristic falls within the limits prescribed by § 86.03 for the longest customary composite length of the vessel and its tow.
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