The directorates develop and implement national regulatory requirements, policy and procedures for continued operational safety and type, production, and airworthiness certifications for their designated products. Each directorate also has responsibility for overseeing certification activities (field office operations, certification programs, and projects) within its geographic area.
- Aircraft Certification Field Offices
- Engine and Propeller Directorate
- Rotorcraft Directorate
- Small Airplane Directorate
- Transport Airplane Directorate
See the complete list of Aircraft Certification Service (AIR) Office Locations (MS Word).