aircraft avionics for alerting pilots to potential hazards, namely-- computers; transponders; transmitters; receivers; radars; displays; annunciators; antennas; sensors; control panels; power supplies; data loaders; cable assemblies; programmable integrated circuits; circuit cards; smart cards, magnetic and optical media; all for the storage and transport of data and software used with avionics; and software for initializing; testing and operation of avionics