SENIOR Aerospace Connecticut is a division of the SENIOR PLC Group (www.SeniorPLC.com) SENIOR Aerospace Connecticut is a lead ... ing manufacturer of complex flight safety critical aerospace components for aircraft engine and dynamic applications. Our large range of capabilities include: 5-axis Machining, Turning, Grinding, CNC Gear shaping/splining, NADCAP Paint and Surface Coatings, Assembly and Pressure Testing. Segments we serve: Rotorcraft – Manufacturing and assembly of transmission/gearboxes, structural and critical flight safety components on main-rotor and tail-rotor Turbine Engine – Manufacturer of major rotating and non-rotating components for commercial and military engines Airframe – Precision manufacturing and assembly of critical and structural components read more