14 CFR Part 39
14 sections · Amended 2026-09-15
AIRWORTHINESS DIRECTIVES
8 Legal Interpretations 1 Special Conditions View on eCFR ↗
Authority49 U.S.C. 106(g), 40113, 44701.
SourceDocket No. FAA-2000-8460, 67 FR 48003, July 22, 2002, unless otherwise noted.
- § 39.1 Purpose of this regulation.
- § 39.3 Definition of airworthiness directives.
- § 39.5 When does FAA issue airworthiness directives?
- § 39.7 What is the legal effect of failing to comply with an airworthiness directive?
- § 39.9 What if I operate an aircraft or use a product that does not meet the requirements of an airworthiness directive?
- § 39.11 What actions do airworthiness directives require?
- § 39.13 Are airworthiness directives part of the Code of Federal Regulations?
- § 39.15 Does an airworthiness directive apply if the product has been changed?
- § 39.17 What must I do if a change in a product affects my ability to accomplish the actions required in an airworthiness directive?
- § 39.19 May I address the unsafe condition in a way other than that set out in the airworthiness directive?
- § 39.21 Where can I get information about FAA-approved alternative methods of compliance?
- § 39.23 May I fly my aircraft to a repair facility to do the work required by an airworthiness directive?
- § 39.25 How do I get a special flight permit?
- § 39.27 What do I do if the airworthiness directive conflicts with the service document on which it is based?
Related Advisory Circulars 5 current · 2 cancelled
- AC 39-10Alternative Methods of ComplianceCurrent2016-09-14↗
- AC 39-7DAirworthiness DirectivesCurrent2012-03-02↗
- AC 39-9Airworthiness Directives Management ProcessCurrent2011-06-01↗
- AC 39-8Continued Airworthiness Assessments of Powerplant and Auxiliary Power Unit Installations of Transport Category AirplanesCurrent2003-09-08↗
- AC 39-1AJIG Fixtures; Replacement of Wing Attach Angles and Doublers on Douglas DC-3 Series Aircraft, Airworthiness Directive 66-18-2Current1970-03-05↗
- AC 39-6RAnnouncement of Availability - Summary of Airworthiness DirectivesCancelled1996-05-15↗
- AC 39-7CAirworthiness DirectivesCancelled1995-11-16↗
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