Skip to page content

Locate an Office

Aircraft Certification Offices (ACOs)

Contact the appropriate FAA Field Office that serves your geographic area for guidance on aircraft certification related activities.

ACOs assist with:

  • Design approval and certificate management
  • US production approvals
  • Engineering and analysis questions
  • Investigating and reporting aircraft accidents, incidents, and service difficulties
  • Designated Engineering Representatives (DER) oversight

Page last modified:

This page was originally published at: https://www.faa.gov/aircraft/air_cert/locate_office/aco/