800-977-1992 / 239-895-4832

AECUSA-LLC provides design, analysis, and FAA/DER approval of aircraft structures, interiors, and avionics & electrical systems.

  • FAA approved reconfiguration to customer requirements for FAR Part 23, 25, 91, 121, 135 aircraft.
  • Aircraft interior alterations including the installation of prototype equipment and furnishings, seating reconfiguration, galley installation, and overhead bin modification.
  • Avionics installations, including structural modifications.
  • Structural modifications such as camera pods, cargo loading systems, retractable antennas.
  • Structural repairs for corrosion and external & internal damage following standard airworthiness practices.


  • FAA DER approval of your designs or repairs.
  • FAA DER Services
  • Provide Liaison with FAA
  • Avionic and Electrical Aircraft Certification
  • Support STC Documentation


  • Generation of Test Plans and Reports
  • Lab/Ground/FLT Tests Witnessing
  • Design Assistance
  • Data Approvals

Certification Plans

Plans for complete certification efforts can be prepared for clients that are considering an aircraft modification or a complete new certification program. Certification plans include work breakdown structures, schedules, manpower and funding requirements. AECUSA-LLC and its associates can also provide constructive comments on existing certification efforts sharing their years of experience with clients. Clients can be provided with Certification Compliance Checklists that are a compilation of inputs of several AECUSA-LLC Associates well versed in the world of certification. Many AECUSA-LLC Associates have more than thirty years of aviation experience to share with Clients.

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