A Subsidiary of Sierra Nevada Corporation
3S Engineering
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3S Engineering and Certification is a wholly owned SNC Subsidiary

Into the Horizon

At 3S Engineering and 3S Certification, we believe in providing our customers the highest level of Standards, Service and Support for aircraft modification and Organization Designation Authorization (ODA) approved Supplemental Type Certificates (STCs) to ensure your aircraft are into the horizon as efficient and quickly as possible.

  • Design & Analysis
  • FAA Designated ODA
  • Provider of 14 CFR Part 23, 25, 26, 27 & 29 STCs
Standards | Service | Support

3S Areas of Specialty

As a designated ODA by the Federal Aviation Administration (FAA), 3S specializes in aerospace engineering design, analysis, and certification of aircraft modifications, and issuance STCs. Our clients enjoy far less aircraft down-time and improved project speed to market.
Business Aviation
Rotorcraft
Military/Special Missions
Standards
SERVICES

How 3S Can Help

  • Aircraft Modifications and Integrations

    Our team of trained and experienced design engineers can assist in the completion of your project requiring integrated avionics, WiFi, AirText or any other aircraft modification.

    Design & Analysis
  • FAA Certification of Equipment Installations

    If you need any equipment installed on an aircraft that requires an STC, 3S is your partner in ensuring the most efficient and quickest path to FAA certification.

    Certification
  • STCs for Purchase

    Are you upgrading or modifying your existing aircraft? 3S is an STC provider. We own and maintain various STCs that are available for purchase.

    STCs
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COMMITMENT

What Sets 3S Apart

…ultimately bring the best value to our customers.
3S is a very agile company focused on customer service. Our parent company, Sierra Nevada Corporation, is privately owned and has a strong financial position with strong working capital, which allows us to make good long-term business decisions that will ultimately bring the best value to our customers. Chris Knaak, Business Development
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Experts in Aircraft Modification and Certification Requirements

Please contact us to schedule a complimentary consultation.

Contact 3S
  • 9111 E. Douglas Suite 100 • Wichita, KS 67207
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3S Engineering and 3S Certification is a wholly owned SNC Subsidiary 3S Engineering is a registered trademark of 3S Engineering, LLC and 3S Certification and 3S are registered trademark of 3S Certification, LLC. 3S Engineering and 3S Certification is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, military/veteran status, or other characteristics protected by law.
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