DER and DAR Services
Designated Engineering Representative (DER) and Designated Airworthiness Representative (DAR)

Before introducing a new type of aircraft or product into commercial service, a manufacturer or aircraft modifier must obtain certification by the FAA that the aircraft meets safety standards. The manufacturer must supply the FAA with detailed analyses as well as produce a prototype of the aircraft or product.

The FAA Designee (DER and DAR) system enables the FAA to utilize highly qualified private individuals to perform the examinations, testing and inspections necessary to determine compliance with applicable airworthiness standards. Although paid by industry, DERs and DARs act as surrogates for the FAA in examining aircraft designs.

Jetaire has DERs certified in the following areas: