A DER is a person designated by the FAA to approve major repairs and major alterations on behalf of the agency. [Credit: Shutterstock] Designated Engineering Representatives (DERs) are FAA-appointed ...
Industry confusion stems from whether approvals issued by a duly authorized designated engineering representative hold the same authority as FAA approvals. Credit: Jerome Cid/Alamy Stock Photo An ARSA ...
DUNCAN AVIATION'S Mike Witmer was awarded Structures Designated Engineering Representative authorization from the Wichita, Kan. FAA Aircraft Certification Office. The authorization allows Witmer to ...
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