Local Offices
- Certification Branches – formerly Aircraft Certification Offices (ACO)
- Certificate Management Branches – formerly Manufacturing Inspection Offices (MIO)
- Certificate Management Sections – formerly Manufacturing Inspection District Offices (MIDO)
Which Local Office should I contact?
As a result of 2023 AIR Reorganization:
- The Integrated Certificate Management Division (AIR-500) was created to address certification, delegation, system oversight and continued operational safety functions with focus on commercial airplanes and engines. This includes the BASOO Branch, the Boeing Certificate Management Office, and the Engine Certification Office Branch
- Aircraft Certification Offices (ACOs) are now Certification Branches
- Manufacturing Inspection District Offices (MIDOs) are now Certificate Management Sections.
- Manufacturing Inspection Offices (MIOs) are now Certificate Management Branches
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