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.