The Experts in Design Engineering and Certification

A wholly owned subsidiary of Sierra Nevada Corporation (SNC), 3S Engineering and 3S Certification is based in Wichita, Kansas. Known as the “Air Capital of the World” due to the city’s history as the hub of United States aircraft production, our central, convenient location has the added benefit of many accomplished aircraft professionals who call the area home.

The team at 3S is highly experienced and efficient in providing engineering design and compliance data development as well as Unit Member (UM) support for Federal Aviation Administration (FAA) approvals. Additionally, as an FAA designated Organization Designation Authorization (ODA) program, we provide Supplemental Type Certificates (STCs) for most aircraft equipment installations.

About Sierra Nevada Corporation

Sierra Nevada Corporation delivers customer-focused technologies and best-of-breed systems integrations in the aerospace and defense sectors. Applications span navigation/guidance, communications, electronic warfare and threat detection, cybersecurity, infrastructure protection and commercial space.
 

What Sets 3S Apart

• Standards

  The world of aviation revolves around rapidly changing standards. We put forth a continuing effort in staying abreast of aerospace standards. 3S has a broad experience ranging from the basic design standards to industry-specific standards put forth in subject-specific documents.

• Service

  As an FAA authorized Organization Designation Authorization (ODA) program for STCs, 3S provides a level of service unsurpassed in the industry today. From engineering design and system integration to documentation and certification, 3S is committed to providing professional technical guidance and exceptional customer service.

• Support

  We go the extra mile to support clients through the design and implementation of our services. 3S provides a high quality of service and faster turnaround time on project completion than our competitors. Whether it’s onsite support or complete program management, our staff is at the vanguard of aviation engineering and certification.