A DER is an individual, appointed in accordance with 14 CFR � 183.29, who holds an engineering degree or equivalent, possesses technical knowledge and experience, and meets the qualification requirements of Order 8100.8D.

A DER may be appointed to act as a Company DER and/or Consultant DER.
  • Company DERs can act as DER for their employer and may only approve, or recommend approval, of technical data to the FAA for the company.
  • Consultant DERs are individuals appointed to act as an independent (self-employed) DER to approve or recommend approval of technical data to the FAA.

DER Technical Disciplines

  • Acoustical Engineering
  • Engine Engineering
  • Flight Analyst
  • Flight Test Pilot
  • Powerplant Engineering
  • Propeller Engineering
  • Radio Engineering
  • Structural Engineering
  • System and Equipment Engineering

The FAA Consultant DER Directory (PDF) provides a list of Consultant DERs, by state and technical discipline.

Become a DER