Featuring world-class engineering and design, Sierra Completions comes complete with all the cutting-edge systems and technology for which its parent company, SNC, has become recognized over the past 50 years. Services include design, modification, integration, modernization, certified aircraft maintenance, and complete overhaul.

Sierra Completions is teaming with leading international and domestic aircraft cabinet makers to bring world-class expertise to its newly formed American business. This development will bring production resources with exceptional quality and material development to our doorstep in Colorado Springs. Stay tuned for upcoming news about this exciting development. 

Sierra Completions also enjoys a close working relationship with SNC’s wholly-owned subsidiary Kansas-based 3S Engineering, for FAA design approvals and supplemental type certifications (STCs).

Sierra Completions will also be working with established expert interiors manufacturing company, 328 Support Services GmbH. 328 is a wholly-owned subsidiary based in Oberpfaffenhofen, near Munich, Germany. 328 employs more than 150 aviation experts, engineers and craftsmen to provide an increasing range of services full STCs, design, and build-and-certify solutions.