
Four lights are positioned in a square. When a directional correctional signal from an autopilot exists for a predetermined length of time and is above a given magnitude, lights at one or the other sides of the square are lighted to indicate that face and the direction involved. When a pitch correctional signal from the autopilot exists for a predetermined length of time and is above a given magnitude, lights at one or the other ends of the square are lighted to indicate that fact and the partic...











