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 likely one of the most crucial and hard elements of extending overall plane procedure lifetimes. severe elements exit of creation or develop into out of date, and plenty of former providers of military-grade elements have long gone into bankruptcy. From 1986 to 1996, for instance, the share of discontinued military/aerospace digital units approximately doubled- from 7.5 percentage to 13.5 percentage. moreover, legacy avionics platforms, that have been designed to satisfy requisites of the earlier, mostly lack the total potential to accomplish new missions, meet new threats, or practice good within the new information-intensive battlefield environments.
As the legacy plane fleet a long time, avionics platforms becomes a growing number of tough to aid and continue. while the army as soon as supplied a wide and ecocnomic marketplace for the electronics undefined, the army electronics marketplace at the present time constitutes below 1 percentage of the economic marketplace. for this reason, the army needs to more and more depend on advertisement off-the-shelf (COTS) applied sciences for its avionics and software program. even though COTS goods are as a rule less costly than similar goods designed specifically to fulfill army requisites, 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 in general via the great advances in desktops, which include an expanding percent of avionics content.
In reaction to a request by way of 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 expertise Board, to behavior this examine. This file summarizes the following:
- assemble details from DoD, different executive enterprises, and commercial assets at the prestige of, and matters surrounding, the getting older avionics challenge. this could contain briefings from and discussions with senior executives and army acquisition and help body of workers. part of this task may still comprise a evaluate of Air strength Materiel Command's learn on diminishing production assets to suggest how you can mitigate avionics obsolescence.
- offer techniques for brand spanking new methods and cutting edge thoughts to enhance administration of getting older avionics, with the target of assisting the Air strength to reinforce supportability and substitute of getting older and obsolescing avionics and reduce linked lifestyles cycle expenses. touch upon the department of know-how accountability among DoD and industry.
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Extra info for Aging Avionics in Military Aircraft (Compass Series)
However, if a modular approach were adopted for several platforms, the savings could be significant. The modular approach would also provide design flexibility for addressing unique platform requirements through a common software language. To maximize the savings, the whole spectrum of tools including design tools, system enablers, building codes, and system modeling and simulation, could be addressed jointly by DoD and industry. The Air Force has already taken a step in this direction by working with the SEI (see Appendix A) on a system design and a maturity model of system engineering capability.
The purpose of the expenditure must be authorized in the appropriation. • Amounts appropriated for general or specific purposes may not be exceeded even if changing priorities dictate otherwise. The major budget categories associated with aging avionics are: research, development, testing, and evaluation (RDT&E, designated as 3600 funds); procurement (designated 3010, 3011, 3020, or 3080 funds); and O&M (designated 3400 funds). Although in practice the lines between these categories are somewhat blurred, managers cannot use funds appropriated in one account to solve a problem associated with another account.
An additional $3 billion in FY 99 Avionics Weapons Engines Miscellaneous Shop equipment Ground equipment Mechanical parts Aircraft Structure Tires Other FIGURE 2-1 Cost of avionics in depot-level aircraft maintenance for FY99. S. Air Force, 2000a. 5 0 1999 2000 2001 2002 Year 2003 2004 2005 FIGURE 2-2 Projected depot-level avionics operations and maintenance costs. S. Air Force, 2000b. $250 million to $275 million per year is needed to address the aging avionics problem (personal communication from Lt.