Engineering

Sierra Industries custom engineering can provide our aviation customers with all the engineering services necessary to efficiently obtain Supplemental Type Certificate (STC), Parts Manufacturing Approval (PMA) and major structural repair for a wide range of aircraft. Our experienced team, working with the latest computer software, is ready to serve you with the best combination of cost-effective design and analysis services for any aircraft modification or repair. Sierra has owned over hundreds of STC's, covering a wide range of modifications, from aircraft re-engineering and aerodynamic changes, to design and production. We are your link to the FAA!