CFR›Title 14›Chapter I›Part 91›Subpart D›14 CFR 91.331 Citation14 CFR 91.331CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 § 91.331 xxxLink to an amendment published at 90 FR 35222, July 24, 2025. Previous 91.327 § 91.327 Aircraft issued a special airworthiness certificate in the light-sport category: Operating limitations.