CFR›Title 14›Chapter I›Part 31›Subpart A ContainsSection 31.1CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart A—General Sections 31.1 § 31.1 Applicability. Next Appendix A to Part 31 Appendix A to Part 31—Instructions for Continued Airworthiness