9 aircraft avionics, namely, electronic flight instrument systems comprised of display screens and central processing units in communication with a variety of airframe mounted sensors for displaying sensor information to aircrew members; engine monitoring systems comprised of a display screen, central processing unit and a variety of engine sensors for displaying sensor information to aircrew members and transmitting sensor information to an electronic flight instrument system; air data computers; aircraft communication and navigation radios; aircraft transponder radios; and avionics software for acquiring data from sensors, storing the date on electronic media, and presenting the data on aircrew member display screens in a variety of formats