STS Engineering Solutions | 3,689 followers on LinkedIn. You pay less and get faster service – that’s the difference. | From brilliant minds comes innovation, and this is where the STS Engineering Solutions team excels. Our engineers understand the aerospace industry, and they’ve got the know-how to handle everything from repairs and modifications to STCs. With more than 200 years of combined experience, our team stands ready to augment your engineering with a cadre of multi-disciplined experts and immediate access to FAA DER Services.