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- Certification Branches – formerly Aircraft Certification Offices (ACO)
- Certificate Management (CM) Branches – formerly Manufacturing Inspection Offices (MIO)
- Certificate Management (CM) Sections – formerly Manufacturing Inspection District Offices (MIDO)
- Flight Standards District Offices (FSDO)
- International Field Offices (IFO)
- Certificate Management Offices (CMO)
Last updated: Monday, July 1, 2024