Jetvia Home Bases: ATL, AUS, BNA, BOS, BWI, CLT, DAL, DCA, DEN, DFW, ELP, EWR, FLL, HOU, IAD, IAH, JFK, How Jetvia Supports You. The Avionics Technician is responsible for troubleshooting, repairing, modifying, and inspecting aircraft electrical and avionics systems in accordance with FAA regulations, manufacturer data, and company-approved maintenance manuals.