US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 5 — MARINE INVESTIGATION REGULATIONS—PERSONNEL ACTIONSubpart B — Definitions5.3146 C.F.R. § 5.31Incompetence.Last amended: 2016Year: 2026Length: 27 wordsOfficial source Cite as 46 C.F.R. § 5.31 (2026)Incompetence is the inability on the part of a person to perform required duties, whether due to professional deficiencies, physical disability, mental incapacity, or any combination thereof.Previous46 C.F.R. § 5.29Next46 C.F.R. § 5.33