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This paper will examine modern avionics and related developments coming from the electronics revolution and show how they can be applied to in-service aircraft to produce significant performance improvements. While it is recognized the discussion could be very wide ranging, this paper will focus primarily on some of the developments in which NASA-Langley Research Center has been involved, including advanced flight management concepts, flat panel displays, and innovative fuel gauge designs. This paper will also look at emerging airspace system concepts, such as navigation using satellites and communications via data links, and provide a preliminary assessment of the impact of these concepts on in-service aircraft from the perspective of retrofitting avionics.

A brief definition of an “All Electric Airplane” will be presented. Several NASA and DOD studies have examined the application of advanced electric/electronic technologies. The benefits identified in these studies will be summarized. The state-of-the-art in all electric airplane technology will be described. A NASA program has been proposed to develop the necessary technology base for industry application. The elements of this proposed program will be discussed.