THIS WEBSITE IS CURRENTLY UNDER CONSTRUCTION
We’re currently migrating content to our new site. While we work to bring you updated information, please note that some sections may not be fully available yet. Thank you for your patience!
Precision engineering. Proven performance.
SEI (Structural Engineering Inc.) manufactures, installs, and supports advanced Structural Data Recording Systems (SDRS) for both military and commercial aircraft. With decades of trusted service, SEI delivers more than just hardware—we deliver mission-critical insights and complete systems support.
Our core capabilities
- Structural data recording solutions for real-time and post-mission analysis
- Field support and depot-level repairs to maximise uptime and readiness
- Data processing and structural analysis services to build airframe baseline profiles and mission usage surveys
- Custom IT services for aviation diagnostics and decision support
Products: Engineered for excellence
Explore our full range of cutting-edge products, each engineered for optimal performance and reliability.
We're with you all the way
SEI doesn’t just deliver systems—we deliver full-lifecycle support.
From installation to long-term maintenance, our expert field teams are mission-ready and globally deployable, operating from hubs on the East Coast, West Coast, and Central US.
SEI’s flagship microprocessor-controlled system records up to 20 simultaneous data channels, enabling in-depth structural monitoring and performance analysis.
A rugged, self-contained data storage and retrieval unit using industry-standard PCMCIA/ATA cards. Built to MIL-STD-810 and RTCA DO-160 standards for extreme environments.
Part of SEI’s Health and Usage Monitoring System (HUMS), the SHMS includes a Data Acquisition Processing Unit (DAPU), Data Storage Unit (DSU), and optional Control Display Unit (CDU).
Our sites
