Atlas / Designees / DER-T / Donald J Lingenfelter
DER-T · MI
Donald J Lingenfelter
Howell, Michigan ·FSDO Central Certification Branch ·Active
Address
4141 Pingree Rd
Phone
(248) 787-0871Designee #
903186544
Category
Designated Engineering Representative - Consultant
FSDO manager
David Wilson
Authorization expires
—
Discipline
Structural Engineering
FAR Parts
23,25
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Independent engineering data approval — structures, powerplant, systems & equipment, acoustical, flight test. Critical for STCs and design changes outside of an OEM.