engineering team

Whether you need a simple data approvals for your major alterations, or a complete turnkey STC project, The Kearns Group and partner Heron Aero Solutions have you covered. 

Our team has a thorough understanding of the FAA regulations and policies governing aircraft certification.  We leverage this knowledge by closely managing the STC process to bring predictability to your project.

We have established relationships with the FAA certification offices and Directorates that give us the ability to effectively conduct projects for existing, new and novel technologies.  


  • Corporate jets

  • Helicopters

  • Turboprops

  • Military aircraft

  • UAV

certification SERVICES

  • STC's for FAA Part 23, 25, 27, 29

  • Military airworthiness approval

  • In-house design, certification and testing

  • In-house DER capabilities

  • Subject matter experts

  • Avionics integration design

  • Mechanical design and 3-D modeling


past performance

  • Cockpit avionics upgrades including glass cockpit upgrades, ADS-B, CPDLC

  • Integration of special missions equipment to various aircraft

  • IFE equipment


  • Medieval interior configurations

  • Corporate and executive interior configurations

  • SATCOM systems


Want to learn more about our Proposal services?