Astronics Subsidiary Astronics CSC Location Waukegan, IL Description Astronics Connectivity Systems and Certification (formerly Telefonix PDT and Astronics Armstrong Aerospace) serves as the experienced, global market leader for in-flight entertainment and connectivity (IFEC) solutions for aircraft. As a systems certification provider, Astronics CSC has worked on over 100 projects for industry partners to upgrade commercial and business aircraft with new passenger power systems, IFEC navigatio