SEATTLE - A heads-up display, or HUD, is a piece of glass that can be flipped down in front of a pilot's eyes, but behind an airplane's windshield or wind-screen. On it, are all of the instruments that normally a pilot would have to look down to see. The HUD displays data such as airspeed, compass direction, altitude and a lot more. These days, HUDs are even making it into cars, allowing a driver to see speed without having to divert his or her eyes from the road.
Now Boeing is upgrading its HUD displays with new software that can allow a pilot to fly in extremely low visibility. On landing, the pilot will see a display showing an extended line of lights leading him or her to the runway.
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