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Witnessing:

The tests are supervised and monitored on site by one of our Airworthiness Qualification Engineers. The conformity of the test procedure as well as the functionality of the test unit before, during and after the tests is confirmed by corresponding documentation with signature. Test witnessing by the end customer is possible at any time and can be supervised by us.

DER Witnessing:

Engineering and Flight Test designees are responsible for finding that engineering data complies with the appropriate airworthiness standards. These designees are called Designated Engineering Representatives, or DERs.
  • A DER is an individual, appointed in accordance with 14 CFR section 183.29, who holds an engineering degree or equivalent, possesses technical knowledge and experience, and meets the qualification requirements of Order 8100.8. A DER may be appointed to act as a Company DER and/or Consultant DER.

DER Technical Disciplines:

Acoustical Engineering
Engine Engineering
Flight Analyst
Flight Test Pilot
Power Plant Engineering
Propeller Engineering
Radio Engineering
Structural Engineering
Systems and Equipment Engineering

We will be delighted to advise you on your qualification process!

You are welcome to contact us!