CFR › Title 14 › Part 23 › §23.223514 CFR §23.2235Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe structure must support:(a)Limit loads without—(1)Interference with the safe operation of the airplane; and(2)Detrimental permanent deformation.(b)Ultimate loads.