About Us

Jack Thrower, Principal Partner

  • Degreed metallurgical engineer with expertise in welding, brazing, heat treatment, investment casting and metal fabrication.
  • Experienced with FAA regulations, policies and procedures for certification, manufacturing and continued airworthiness.
  • Holds FAA DER delegations for PMA of Propulsion (Engines, Powerplant & APU), Mechanical Systems and Structures components.
  • Holds FAA RS-DER delegations for major repairs and repair specifications of Engine, Powerplant, APU, mehanical systems, and structures.

Lynn Biagiotti, Partner

  • Program management & customer interface.
  • PMA Services
  • Preparation of PMA application letters and substantiation data packages.
  • AD/SDR searches in support of safety analyses.
  • Research and Installation eligibility.

Degreed Mechanical Engineers

  • 3-D modeling in SolidWorks.
  • Drawing preparation per ASME Y14.5-2009.
  • Design reviews with customer.

Quality Assurance Inspectors

  • R/E inspection of OEM parts.
  • Drawing reviews with QA in mind.


Additional DER’s are on retainer for other required delegations.