Research and development of the integrated flight navigation and communication systems, electronic display, flight manadement, flight guidance, navigation, flight warning, built-in test, maintenance, electrical supply systevs, etc. development of simulators for ground tests and final adjustment of airborne eguipment, crew training, ergonomic assessment and certification of fircraft eguipment development of test procebures and methods to protect the airhorne eguipment from environmental effects development of avionics CAD tools, algorithms and software.