46 C.F.R. § 167.65-20 Unnecessary whistling.
Title 46 - Shipping
Unnecessary sounding of a nautical school ship's whistle is prohibited within any harbor limits of the United States.
Title 46: Shipping
PART 167—PUBLIC NAUTICAL SCHOOL SHIPS
Subpart 167.65—Special Operating Requirements
§ 167.65-20 Unnecessary whistling.
