The Boeing Electronic Flight Bag (EFB) is a key element in the evolutionary process of an "e-enabled" flight deck. The
EFB is designed to improve the overall safety, efficiency, and operation of the flight deck and corresponding airline
operations by providing the flight crew with better information and enhanced functionality in a user-friendly digital
format. The EFB is intended to increase the pilots' situational awareness of the airplane and systems, as well as improve
the efficiency of information management. The system will replace documents and forms that are currently stored or
carried onto the flight deck and put them, in digital format, at the crew's fingertips. This paper describes what the
Boeing EFB is and the significant human factors and interface design issues, trade-offs, and decisions made during
development of the display system. In addition, EFB formats, graphics, input control methods, challenges using COTS
(commercial-off-the-shelf)-leveraged glass and formatting technology are discussed. The optical design requirements,
display technology utilized, brightness control system, reflection challenge, and the resulting optical performance are
presented.
With the proliferation of liquid crystal displays as the primary instrumentation interface on aircraft flight decks, it becomes important to quantify and control the unique optical parameters, associated with AMLCDs, that affect readability in a critical environment. It has been discovered that image distinctness, in addition to reflected energy intensity, can be a significant detriment to display readability. Consequently, efforts are being made to establish measurement procedures and quantify distinctness- of-image to help control the detrimental effects of this characteristic. Two measurement methods will be discussed that are currently being considered for use in describing the degree of specular distinctness-of-image reflections on avionics AMLCDs.
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