9 Electrical and electronic equipment and instruments for aircraft and helicopters, namely, flight control system comprised of on board computer for elaborating flight data, speed, altitude, and flight control sensors; electrical and electronic equipment and instruments for aircraft and helicopters, namely, beacon control panel, anemometer, helicopter pilot control panel, fuel control panel, engine control panel, gyro compass control panel, electronic flight display, engine and crew warning light system, aircraft engine and flight system monitors, flight simulator; avionic sensor systems, namely, navigation systems for use in aircraft and helicopters; communication transmission apparatus, namely, antennas, wireless transmitters and receivers for use in aircraft and helicopters; aircraft and helicopter testing apparatus and instruments, namely, general master caution indicator panel and general master warning indicator lights for use in aircraft and helicopters; computer hardware for use in aircraft and helicopters; downloadable and recorded computer software for command and control of flight and navigation for use in aircraft and helicopters; electronic publications, namely, electronic books, magazines, brochures, electronic magazines, manuals in the aviation sector and helicopter, downloadable or recorded on magnetic, optical and electronic media