Aging Avionics In Military Aircraft
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Aging Avionics In Military Aircraft
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2001-06-07
Aging Avionics In Military Aircraft written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-06-07 with Technology & Engineering categories.
Extending the life of an airframe has proven challenging and costly. Extending the life of an avionics system, however, is one of the most critical and difficult aspects of extending total aircraft system lifetimes. Critical components go out of production or become obsolete, and many former suppliers of military-grade components have gone out of business. From 1986 to 1996, for example, the percentage of discontinued military/aerospace electronic devices nearly doubledâ€"from 7.5 percent to 13.5 percent. In addition, legacy avionics systems, which were designed to meet requirements of the past, generally lack the full capability to perform new missions, meet new threats, or perform well in the new information-intensive battlefield environments. As the legacy aircraft fleet ages, avionics systems will become more and more difficult to support and maintain. Whereas the military once provided a large and profitable market for the electronics industry, the military electronics market today constitutes less than 1 percent of the commercial market. As a result, the military must increasingly rely on commercial off-the-shelf (COTS) technologies for its avionics hardware and software. Although COTS items are generally less expensive than comparable items designed especially to meet military specifications, the technology-refresh cycle for COTS is typically 18 months or less, which exacerbates the obsolescence problem for aircraft whose lifetimes are measured in decades. The short refresh cycle is driven mostly by the tremendous advances in computer systems, which comprise an increasing percentage of avionics content. In response to a request by the Assistant Secretary of the Air Force for Acquisition, the National Research Council convened the Committee on Aging Avionics in Military Aircraft, under the auspices of the Air Force Science and Technology Board, to conduct this study. This report summarizes the following: 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. A part of this activity should include a review of Air Force Materiel Command's study on diminishing manufacturing sources to recommend ways to mitigate avionics obsolescence. Provide recommendations for new approaches and innovative techniques to improve management of aging avionics, with the goal of helping the Air Force to enhance supportability and replacement of aging and obsolescing avionics and minimize associated life cycle costs. Comment on the division of technology responsibility between DoD and industry.
Challenges And Issues With The Further Aging Of U S Air Force Aircraft
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Author : J. R. Gebman
language : en
Publisher: Rand Corporation
Release Date : 2009
Challenges And Issues With The Further Aging Of U S Air Force Aircraft written by J. R. Gebman and has been published by Rand Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with History categories.
Over the next 20 years, the further aging of already-old aircraft will introduce challenges and issues for aircraft operators. The technical challenges relate to structures, propulsion, and systems. The institutional challenges include limitations on independent verification of fleet status and future condition and on information needed for engineering analyses including risk assessment, and an overall scarcity of resources.
Aging Aircraft Wiring
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Author : Vasileios Tambouratzis
language : en
Publisher:
Release Date : 2001-06-01
Aging Aircraft Wiring written by Vasileios Tambouratzis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-06-01 with categories.
During the last years, military budgets have been dramatically reduced and the services have been unable to acquire sufficient new systems. Military aviation is one of the areas that have been severely impacted. The result is that the current fleet faces significant aging aircraft problems. Aircraft wiring is one of the areas that have severly affected by the aging process. Recent accidents involving aging wiring problems and reduced operational readiness due to aging wiring have made clear that aging aircraft wiring presents a difficult and complicated problem for the military aviation. However, current maintenance practices fail short in successfully inspecting and maintaining wiring. The purpose of this thesis is to provide a proactive management plan to deal with aging wiring. The objective is to come up with a systematic process in order to identify and prevent serious failures caused by electrical faults of wiring systems. This process will be based on the principle of Reliability Centered Maintenance (RCM).
The Maintenance Costs Of Aging Aircraft Insights From Commercial Aviation
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Author :
language : en
Publisher:
Release Date : 2006
The Maintenance Costs Of Aging Aircraft Insights From Commercial Aviation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
This monograph examines "aging effects"--I.e., how commercial aircraft maintenance costs change as aircraft grow older. Although commercial aircraft clearly differ from military aircraft, commercial aviation aging-effect estimates might help the Air Force to project how its maintenance costs will change over time.
Aging Of U S Air Force Aircraft
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1997-09-30
Aging Of U S Air Force Aircraft written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-09-30 with Technology & Engineering categories.
Many of the aircraft that form the backbone of the U.S. Air Force operational fleet are 25 years old or older. A few of these will be replaced with new aircraft, but many are expected to remain in service an additional 25 years or more. This book provides a strategy to address the technical needs and priorities associated with the Air Force's aging airframe structures. It includes a detailed summary of the structural status of the aging force, identification of key technical issues, recommendations for near-term engineering and management actions, and prioritized near-term and long-term research recommendations.
Aging Aircraft
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Author : Raymond Pyles
language : en
Publisher: Rand Corporation
Release Date : 2003
Aging Aircraft written by Raymond Pyles and has been published by Rand Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Political Science categories.
To help improve the Air Force's ability to foresee the implications for safety, aircraft availability, and cost of its plans to retain aircraft fleets for service lives that may be as long as 80 years, and to identify actions that will mitigate or avoid some of the more severe consequences, this study measures how the USAF aircraft fleets' ages relate to maintenance and modification workloads and material consumption.
The Second Joint Nasa Faa Dod Conference On Aging Aircraft
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Author :
language : en
Publisher:
Release Date : 1999
The Second Joint Nasa Faa Dod Conference On Aging Aircraft written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Airframes categories.
2003 Logistics Demensions
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Author :
language : en
Publisher: DIANE Publishing
Release Date :
2003 Logistics Demensions written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Department Of Defense Appropriations For 2002
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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense
language : en
Publisher:
Release Date : 2004
Department Of Defense Appropriations For 2002 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with United States categories.
Department Of Defense Appropriations For 2002 Secretary Of Defense And Chairman Joint Chiefs Of Staff
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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense
language : en
Publisher:
Release Date : 2004
Department Of Defense Appropriations For 2002 Secretary Of Defense And Chairman Joint Chiefs Of Staff written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with United States categories.