Aging Avionics in Military Aircraft (2001) / Chapter Skim
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Executive Summary
Executive Summary
Pages 1-6
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In the l990s, the U.S. Air Force reported that the mission capability of its aircraft declined by 10 percentage points from 83 percent to 73 percent.
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Although each organization is effective in its limited chartered activities, there is very little coordination among them, and the results of each project are not broadly distributed to the DoD or to the Air Force Enterprise. With a coherent DoD/Air Force strategy for dealing with the DMS/OP problem, collective/coordinated management of these diverse activities could be established, which could result in more productive use of results and minimal redundant expenditures of scarce resources.
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General findings are presented first, followed by specific findings in four categories: management issues, budgetary issues, technical issues, and business issues. Because the Air Force is the sponsor of this study, the focus is on actions that should be taken by the Air Force.
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As DoD relies more heavily on commercial off-the-shelf hardware and software in avionics systems and less on Mil Spec components and DoDunique software languages the expertise and intellectual property necessary to develop and maintain these systems will increasingly reside in the private sector. RECOMMENDATIONS Recommendations Specific to the Air Force development of a common understanding of MOSA support for development of MOSA building codes, and disciplined design processes and related design tools required for MOSA implementation development of a test/requalification strategy coupled with the proper modeling and simulation tools to implement the MOSA strategy economically development of design-reuse databases and highfidelity avionics models by original equipment manufacturers and suppliers Recommendation 1.
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The Air Force software and hardware testing community should develop a testing/ requalification strategy tailored to modular avionics systems and should explore methods, including the use of high-fidelity simulation/emulation models and test beds, to minimize the impact on cost and schedule of requalifying avionics components and systems. The Air Force should build on the test strategy and simulation/ emulation/diagnostic software model used by the Federal Aviation Administration in the commercial sector, which recognizes the value of reusing hardware/ software and provides certification-test credit for reusable modules.
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The Air Force should recommend that the Office of the Under Secretary of Defense for Acquisition, Technology and Logistics restrict applicability of the Joint Technical Architecture (JTA) and mandated standards to interplatform interoperability and allow the intraplatform standards to be defined by a MOSA approach, along with a greatly reduced number of mandated standards.
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