US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 108 — DESIGN AND EQUIPMENTSubpart H — Miscellaneous Equipment108.70146 C.F.R. § 108.701Sounding equipment.Last amended: 2016Year: 2026Length: 11 wordsOfficial source Cite as 46 C.F.R. § 108.701 (2026)Each self-propelled unit must have a mechanical or electronic sounding apparatus.Previous46 C.F.R. § 108.699Next46 C.F.R. § 108.703