Aging Avionics in Military Aircraft (2001) / Chapter Skim
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1 Introduction
1 Introduction
Pages 7-13
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From page 7... ...
Although COTS items are generally less expensive than comparable items designed to military specifications, the ~ As defined in this report, the term "avionics" includes: internal electronic hardware, as well as external pods, such as electronic countermeasures; software required for navigation, communication, and other functions; external automatic test system hardware and software; ground electronics, communications, and air traffic control hardware. 2 The term COTS is used here to mean any developed commercial technology available for sale; it need not be mass produced.
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From page 8... ...
Gen. Robert Raggio, AGING AVIONICS IN MILITARY AIRCRAFT Commander, Aeronautical Systems Center, October 6, 2000~.3 Each technology-refresh cycle entails added costs for regression testing, flight testing, training for pilots and support personnel, and configuration and spares management.4 In the 1980s, the Joint Integrated Avionics Working Group (JIAWG)
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From page 9... ...
.7 The study Committee on Aging Avionics in Military Aircraft, established by the National Research Council, was asked to perform the following tasks: · Gather information from DoD, other government agencies, and industrial sources on the status of, and issues surrounding, the aging avionics problem. This should include briefings from and discussions with senior industry executives and military acquisition and support personnel.
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From page 10... ...
The often lengthy regression and flight testing required to validate that changes have not adversely affected safety or overall system performance have an even greater impact. Because of the structure of legacy avionics architectures, which have historically involved numerous, often subtle interactions between disparate components of a system, the causes and effects of changes are difficult to understand and even more difficult to predict.
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From page 11... ...
Sensor systems, such as radar, must cope with increasingly small target cross sections and growing surveillance requirements; avionics must be modified to be compatible with new precision weapon systems; and electronic warfare systems must be continually updated to meet new threats. Because most of these requirements increase demands on legacy computing/ processing capabilities, new hardware, as well as significant changes in software, are required.
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From page 12... ...
and ground proximity warning equipment. Combat aircraft from Air Combat Command may be required to make similar modifications in the future.
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From page 13... ...
13 REPORT STRUCTURE Chapter 2 is a broad overview of the magnitude of the problem of aging avionics. Chapter 3 provides an overview of ongoing government and industry initiatives to address the problem of aging avionics.
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