We offer DER Engineering Consulting Services.

Over the past 20 years we have provided the highest quality support and dedicated service.

We can provide sujpport for Part 23 general aviation aircraft modifications such as avionics upgrades, new system installations, and support to meet the free flight FAA environment.

We can also provide the same support for Part 25 large and small transport aircraft.

Our primary areas are Electrical Systems and equipment and Mechanical systems and equipment.

We also do some structural approvals such as structural repairs and mounting of new equipment as required.

FAA DER approvals are provided for the above engineering consulting projects.  Capabilities include Electrical and Mechanical systems and Equipment approvals, along with Structural approval for Repairs and Major Alterations.


1133 Hale Rd.

Wilmington, Ohio 45177

Phone:  937-382-4397

Cell:  937-725-0766

EMAIL:  Roger.Barnhart@bas-inc.com