OLD DESIGN

Control panel is full of analog dials, switches, knobs, and levers. A change in a flight plan takes up to five minutes. In an emergency, the pilot runs through a paper checklist to troubleshoot. Flight-management system is described in a 450-page binder.NEW DESIGN

Four flat panels replace the dials and most of the switches and knobs. A mouselike device selects pull-down menus to adjust settings. Flight plan changes take one minute. Pilot runs through an electronic checklist in an emergency. Flight-management system is 30 onscreen pages.