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Background

Ronald Vavruska retired from the FAA after 31 years in the area of aircraft certification.  His last position with the FAA was as the manager of the Boston Aircraft Certification Office.  As manager of the office, he was responsible for directing all aircraft certification programs in the New England states and signing all Type Certificates (TC), Supplemental Type Certificates (STC), Technical Standard Order Authorizations (TSOA) and Parts Manufacturer Authorization (PMA) supplements.  In addition, he directed programs for certifying foriegn aviation product as well as assisting foreign civil aviation authorities in their programs for certifying US aviation products.  Prior to reorganization in the late 1980s, he was also responsible for directing all production certification programs and signing all Production Certificates (PC) and Production Limitation Records (PLR).
  At the present time he is a FAA Designated Engineering Representative (DER) in the specialties of both Electrical/Electronic Systems and Management.  As a Systems DER he can approve electrical/electronic systems  data and as a Management DER he can coordinate the efforts of DERs in other specialty areas and approve completed certification data packages.

      DER and consulting experience has included Supplemental Type Certificates involving various electrical/electronic/instrument systems for normal and transport airplanes and rotorcraft.  This has been accomplished for companies such as Kollsman, BAE Systems, Pro Star and Altair.  Other experience has involved modifications and repairs for companies such as ARINC, Hamilton Sundstrand, Sabena and Aviatron and TSO authorization for Jewell Instruments.