• Aircraft Topics
  • Aircraft Certification
    • Aircraft Registration
    • Airworthiness Certification
    • Continued Operational Safety
    • Design Approvals
    • International
    • Locate an Office
    • Production Approvals
  • Aircraft Safety
  • General Aviation & Recreational Aircraft
  • Repair Stations

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Airworthiness Directives (ADs) are legally enforceable rules issued by the FAA in accordance with 14 CFR part 39 to correct an unsafe condition in a product. 14 CFR part 39 defines a product as an aircraft, aircraft engine, propeller, or appliance.

FAA Order 8040.1 defines the FAA’s authority and responsibility for the development and issuance of ADs.

• Alternative Method of Compliance
• Applicability and Compliance
• Content & Format Guidelines
• General Responsibilities
• Incorporation by Reference
• Issuance and Publication
• Mandatory Continuing Airworthiness Information
• Types of Airworthiness Directives