14 CFR § 39.9Chapter I
§ 39.9 What if I operate an aircraft or use a product that does not meet the requirements of an airworthiness directive?
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
If the requirements of an airworthiness directive have not been met, you violate § 39.7 each time you operate the aircraft or use the product.
eCFR data current as of: June 10, 2026
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.