A flight information display for the flight deck of an aircraft showing a pictorial
side view of the flight path or the area directly in front of the aircraft area
having a selected distance of at least 0.5 nautical miles, comprising (a) a pictorial
representation to scale of the profile of the highest elevations of a swath of
terrain along said path or area, (b) an icon positioned on the left or right side
of the display representing the aircraft, the altitude of which is to scale with
the height of the terrain, and (c) an altitude reference scale; wherein the width
of the swath is at least 0.1 nautical miles and no greater than the distance of
the minimum accuracy of the means for determining the aircraft's location.