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United States Department of TransportationUnited States Department of Transportation

Manufacturing Inspection District Offices (MIDOs)

Contact the appropriate FAA Field Office that serves your geographic area for guidance on manufacturing and airworthiness related activities.

MIDOs assist with:

  • Production approval and certification (Manufacturing)
  • Airworthiness Certification
  • Manufacturing facilities' approval holder issues
  • Manufacturing Designee oversight
  • Support to Aircraft Certification Office (ACO) Branches during design approvals

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