• Interiors
  • Electrical
  • Mechanical Systems
  • Avionics
  • EMC / EMI
  • Administrative
  • Structural / Airframe
  • Flammability
  • RCTA/DO-160E
  • Qualification Testing
  • TSO


FAA Certified Designated Engineering Representatives (DER’s) with over 20 years of experience in supporting certification programs. LPESI also provides certification plans and FAA interfaces including both primary and secondary structures (CFR Part 21, 25).

We have strong working relationships with FAA Headquarters, Small Aircraft, Transport Directorates, and ACOs, not only in Wichita but in other cities including Chicago, Atlanta, Seattle, Long Beach and Ft. Worth.