9 aircraft and aerospace components, namely, aircraft ground fault interruption devices, namely ground fault indicators, weight and center of gravity systems comprised of hydraulic actuators, pneumatic reservoirs, high pressure pneumatic lines, pressure sensors with electronic feed to an integrated circuit card with imbedded algorithms, electronic data feed to aircraft flight avionics, tire pressure indication systems comprised of hand held wireless tire sensor readers, wheel embedded wireless passive sensors, software embedded in the reader that can catalog and transmit the tire pressure data to data collection sources aboard or off-board the aircraft, wheel embedded wireless passive sensors, connectivity integrated circuit linkages from the brake control module to flight cockpit, tire pressure panel enunciators, with associated data collection and communications software, brake temperature monitoring systems comprised of temperature sensors (thermocouples) with electronic feed to an integrated circuit card with imbedded algorithms, electronic data feed to aircraft flight avionics, fuel pump dry run monitors, position indication and control systems comprised of active proximity sensors, passive proximity sensors, proximity sensor targets, Saturable Core (SCORE)extended range passive proximity sensors, proximity sensor interface electronics, landing gear control and indication systems, proximity sensing systems, door control systems, flap skew control systems, pressure sensors, mass fuel flowmeters, power conversion systems comprised of auto-transformer rectifier units, isolation transformers, dc-dc converters and ac-dc converters; wheelspeed transducers, display power supplies, main aircraft battery chargers and systems comprised of battery chargers, Nickel Cadmium, Lithium Ion, Lead Acid and Nickel Metal Hydride Aerospace batteries; power management and distribution systems comprised of contactors, relays, circuit breakers, current sensors, shunts, bus bars, terminal blocks and circuit cards; transformer rectifier units; inverters; light dimmers; fuel flowmeters; fuel gauging systems comprised of true-mass fuel flow measurement and fuel quantity measurement components and systems; pressure sensors, and aerospace proximity sensors and proximity sensor electronics; antiskid brake control systems and autobrake systems comprised of electronic control units with an integrated circuit card with imbedded algorithms, autobrake integrated circuit card with imbedded algorithms, cockpit located autobrake switch, wheelspeed transducers, hydraulic brake control servovlave, autobrake hydraulic servovalve, integrated hub cup assembly