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By National Research Council, Division on Engineering and Physical Sciences, Commission on Engineering and Technical Systems, Air Force Science and Technology Board, Committee on Aging Avionics in Military Aircraft

Extending the lifetime of an airframe has confirmed demanding and expensive. Extending the lifetime of an avionics procedure, notwithstanding, is without doubt one of the most important and tough features of extending overall airplane process lifetimes. severe parts exit of creation or turn into out of date, and plenty of former providers of military-grade elements have long gone into chapter 11. From 1986 to 1996, for instance, the proportion of discontinued military/aerospace digital units approximately doubled- from 7.5 percentage to 13.5 percentage. furthermore, legacy avionics structures, which have been designed to satisfy specifications of the previous, in general lack the complete power to accomplish new missions, meet new threats, or practice good within the new information-intensive battlefield environments.

As the legacy airplane fleet a long time, avionics structures becomes progressively more tricky to aid and continue. while the army as soon as supplied a wide and ecocnomic marketplace for the electronics undefined, the army electronics industry this present day constitutes under 1 percentage of the industrial marketplace. accordingly, the army needs to more and more depend on advertisement off-the-shelf (COTS) applied sciences for its avionics and software program. even if COTS goods are often more cost-effective than related goods designed specially to satisfy army requirements, the technology-refresh cycle for COTS is usually 18 months or much less, which exacerbates the obsolescence challenge for airplane whose lifetimes are measured in a long time. the quick refresh cycle is pushed often through the large advances in computers, which contain an expanding percent of avionics content.

In reaction to a request via the Assistant Secretary of the Air strength for Acquisition, the nationwide learn Council convened the Committee on getting older Avionics in army airplane, below the auspices of the Air strength technological know-how and know-how Board, to behavior this research. This file summarizes the following:

- assemble details from DoD, different executive organizations, and business assets at the prestige of, and concerns surrounding, the getting older avionics challenge. this could comprise briefings from and discussions with senior executives and armed forces acquisition and help team of workers. part of this job may still contain a evaluation of Air strength Materiel Command's research on diminishing production assets to suggest how you can mitigate avionics obsolescence.

- offer options for brand spanking new techniques and cutting edge strategies to enhance administration of getting older avionics, with the objective of supporting the Air strength to reinforce supportability and alternative of getting older and obsolescing avionics and reduce linked existence cycle charges. touch upon the department of expertise accountability among DoD and industry.

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Extra info for Aging Avionics in Military Aircraft (Compass Series)

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Both hardware and software (physical and functional/logical) aspects of architectural interfaces are included in the system. • The system can be scaled in capability by incrementally adding or deleting modules of functionality. Components These implementations evolve with technology. Processors Board-level products These standards establish an architectural framework and enable interoperability. Software tools Interfaces (hardware and software) Software language 2 5 30 Time to obsolescence (years) FIGURE 4-3 Architectural framework adopted by the Open System Joint Task Force.

Rather than a universal database accessible to all, reuse libraries should be developed by industry and should remain in their domain. Configuration Management Addressing DMS/OP and modernizing avionics systems in an era of constrained budgets raises a serious problem of configuration management. Because of reduced production buys and cyclical updates, aircraft fleets are not all in the same configuration. Program extensions often cause the same problem, especially at the component level where parts can become obsolete even before the retrofitting is complete.

Michael Wooley, commander, Tanker AirLift Control Center, Air Mobility Command, September 26, 2000). , A-10 used by Air Force, Air Force Reserve, and Air National Guard). 2), the committee concluded that the magnitude of the aging avionics problem is large and is growing. This urgent problem must be addressed by Air Force management through enterprise management supported by informed program management. 3 Current Activities and Programs Table 3-1 summarizes many activities and programs attempting to resolve the DMS/OP problem (see Appendix A for brief descriptions).

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