Aircraft Registration

• Renew a Reserved N Number Online
• Search Aircraft Registration Information
• Contact the Aircraft Registration Branch
• Aircraft Registration Legal Opinions

Airworthiness Certification

• Airworthiness Certificates Overview
• Aircraft Certification Technical Training Program

Continued Operational Safety

• Airworthiness Directives
• Repair Station Locator

Design Approvals

• Technical Standard Orders (TSO)
• Amended Type Certificate

International Aircraft Certification

• Aviation Safety - International Agreements
• European Aviation Safety Agency Information

Locate an Office

• Certification Branches – formerly Aircraft Certification Offices (ACO)
• Certificate Management Branches – formerly Manufacturing Inspection District Offices (MIDO)
• Flight Standards District Offices (FSDO)

Production Approvals

• Best Practices

Resources

• AVS Senior Technical Experts Program (STEP)