AVIONICS SYSTEMS AND EQUIPMENT DESIGN & CERTIFICATION Avionics Design and DER certification services for fixed and rotary wing aircraft. Sales, Repair, and Calibration of Avionics Test Equipment  We are dedicated to providing rapid response to Systems & Equipment engineering issues for local and distant clients. Most reviews and approvals can be completed with e-mails, faxes, digital pictures and/or drawings. DER 8110-3 approval and CAD drawing support is provided for Major Alteration or STC projects. We can also provide onsite drafting or certification support at your request   STC or Major Alteration Support Support for Part 23/25/27/29 Aircraft Systems & Equipment DER Support Avionics Equipment Design PMA/TSO Certification Autocad CAD Drawing Support CadKey CAD Drawing Support  Avionics Test Equipment Sales and Calibration Structures DER Support Available Designated Alteration Station STC Support (DAS) Available Designated Airworthiness Representative (DAR) support available for Experimental Aircraft certification Designated Airworthiness Repesentative (DAR) support available for parts manufacturing