LB Aircraft Engineering, in developing an STC , secures approvals for product/airframe combinations in Part 23, Part 25, and Part 27 aircraft. Comprehensive services cover project conception, Certification Plan development, fabrication, installation and even extending to FAA Flight Testing. With extensive experience navigating FAA intricacies, we assure a seamless process. Contact us for design and FAA Form 8110-3 approvals for many diverse aircraft modifications and ensure compliance with aviation authorities’ standards for both minor and major modifications and upgrades.