3S Engineering, LLC

3S Engineering and 3S Certification are aircraft modification and certification firms in Wichita, Kansas. The site says both are wholly owned subsidiaries of Sierra Nevada Corporation. The head office is at 9111 East Douglas, Suite 100, Wichita, KS 67207.

The site says 3S is an FAA designated Organization Designation Authorization (ODA). It says the company provides supplemental type certificates (STCs) under 14 CFR Parts 23, 25, 26, 27 and 29. The company says it owns and maintains several STCs that are available for purchase.

Services include aircraft modifications and integrations. The site lists integrated avionics, WiFi, AirText and other modifications. It also offers FAA certification of equipment installations. Engineering design and analysis are listed for business aviation, rotorcraft and military and special missions.

The site says the company is focused on customer service and is agile. It says the parent company is privately owned and has strong working capital. The site says this allows long term decisions. It offers a complimentary consultation for new projects.

The site names Chris Knaak for business development and Scott Canfield as a business contact. Phone numbers listed include 316-260-6274 and 316-214-2009. The site has a careers page and press releases.

The company's LinkedIn page is listed on the site. The site notes that the company is an equal opportunity employer. The site also links to the SNC privacy policy and terms of use.