StacksVerified U.S. regulatory reference

14 CFR §39.13

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Yes, airworthiness directives are part of the Code of Federal Regulations, but they are not codified in the annual edition. FAA publishes airworthiness directives in full in the Federal Register as amendments to § 39.13.