This AS cover all types of electronic display systems, as qualified in “Purpose”, both panel mounted (head down) and electro-optical (head up), monochromatic and color which are used in the cookpit by flight personnel.Three basic types of displays are covered as follows:Type Ⅰ Primary Flight and Navigation Displays Which include vertical and horizontal situation displays.Type Ⅱ Systems & Warning Displays Which include engine instrument, aircraft systems performance, warning, and documentation displays.Type Ⅲ Control Displays Which include communication, navigation and system control displays.Airborne Multipurpose Electronic Displays can include one or more of the following interconnected components.