9 Aircraft avionics, namely, auto flight systems comprised primarily of airspeed sensors, altitude sensors, GPS instruments, temperature gauges, fuel gauges, oil gauges, pressure gauges, speedometers, tachometers, and directional compasses, flight control systems composed primarily of airspeed sensors, altitude sensors, GPS instruments, temperature gauges, fuel gauges, oil gauges, pressure gauges, speedometers, tachometers, and directional compasses, autopilot computers, aircraft air speed systems comprised primarily of airspeed sensors, altitude sensors, GPS instruments, temperature gauges, fuel gauges, oil gauges, pressure gauges, speedometers, tachometers, and directional compasses, and navigation systems composed primarily of airspeed sensors, altitude sensors, GPS instruments, temperature gauges, fuel gauges, oil gauges, pressure gauges, speedometers, tachometers, and directional compasses; illuminated signage and electrical wire for use in aircraft, aircraft elevator and horizontal stabilizer actuators, aircraft cabin temperature control and pressure control systems comprised primarily of temperature and pressure sensors, fire protection and detection systems for use in aircraft comprised primarily of fire alarms and fire extinguishing apparatus, electronic instrument display panels for use in aircraft, ignition systems for aircraft comprised primarily of ignition batteries