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The objective of this meeting is to exchange information and ideas among the various disciplines involved in weapon system design to the benefit of integrated system developments for future defense programs. As each new military aircraft design depends increasingly on avionics, the overall system becomes more versatile, but also more complex. In order to realize the benefits of advanced integration and to maintain compatible timescales throughout subsystems development and test phases, intelligent integrated design concepts and proper coordination of the development program are essential. Design and development concepts considered in this meeting are: Initiate design in terms of overall system to satisfy operational requirement; Conduct parallel design and development activities in all relevant disciplines; Retention of design and application flexibility and growth in subsystems by means of appropriate data processing and subsystem inter/intracommunications structure; Planning of logistic support elements including reliability, maintainability and supportability as well as life cycle cost considerations; and Comprehensive integrated ground testing prior to airborne evaluation of the weapon systems.
Ames Research Center initiated a program in 1975 to provide the critical information required for the design of integrated avionics suitable for general aviation. The program has emphasized the use of data busing, distributed microprocessors, shared electronic displays and data entry devices, and improved functional capability. Design considerations have included cost, reliability, maintainability, and modularity. As a final step, a demonstration advanced avionics system (DAAS) was designed, built, and flight tested in a Cessna 402, twin-engine, general-aviation aircraft. This paper provides a functional description of the DAAS, including a description of the system architecture, and briefly reviews the program and flight-test results.
A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
GAO reviewed Army, Navy, and Air Force integrated communication, navigation, and identification avionics (ICNIA) development programs to: (1) identify existing and future examples of integrated avionics systems and their expected costs and benefits; (2) determine whether existing integration programs are adequately emphasizing long-term efforts that will benefit future generations of military aircraft; and (3) determine whether existing development programs in the services should be merged. GAO found that the Air Force and the Army are jointly developing ICNIA technology. While the Navy recognizes the need for ICNIA technology for its future generations of aircraft, it has not joined the joint development effort because no funds are available, since no Navy aircraft program has specified a requirement for ICNIA technology, and it is concerned that it could become committed to specific hardware configurations before it can determine its specific requirements. GAO also found that ICNIA technology could: (1) reduce the size, weight, and cost of existing single-function avionics systems by up to 50 percent; (2) provide design flexibility to meet changing threats; (3) if standardized, decrease support costs significantly; and (4) enable aircraft to continue missions in the event that individual system components fail. GAO believes that: (1) the incremental cost to the Department of Defense of the Navy's participation in the joint effort would be low compared to the cost of a separate Navy program; (2) the Navy could fund its participation in the joint effort by using research and development funds; and (3) joint development is more likely to succeed if the Navy participates in the early stages of the program.