US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 169 — SAILING SCHOOL VESSELSSubpart 169.600—Machinery and Electrical169.69346 C.F.R. § 169.693Engine order telegraph systems.Last amended: 2016Year: 2026Length: 8 wordsOfficial source Cite as 46 C.F.R. § 169.693 (2026)An engine order telegraph system is not required.Previous46 C.F.R. § 169.692