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Product Code:SAE ARP4256
Title:Design Objectives for Liquid Crystal Displays for Part 25 (Transport) Aircraft
Issuing Committee:A-4ed Electronics Display Subcommittee
Scope: This document covers monocrhome and color LCDs (transmissive, transflective, and reflective), both matrixed and segmented in format, and is applicable to the following types of displays: a. flight and navigation displays; b. engine, systems, and warning devices; and c. control displays. In this document the terms 'LCD', 'LCD Display', 'Display', and 'Instrument' are synonymous and encompass the display system (e.g., LCD device, drivers, backlight, display processor, etc.), not just the device. This document recommends design and performance criteria for liquid crystal displays (LCDs) on the flight deck of aircraft subject to Part 25 certification. It is intended as guidance for the certifying authority. A secondary purpose is to share information about the unique characteristics of LCDs and how they relate to the flight deck.