Sustaining An Aging Aircraft Fleet With Practical Life Enhancement Methods PDF Download
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Author | : Len Reid |
Publisher | : |
Total Pages | : 12 |
Release | : 2003 |
Genre | : |
ISBN | : |
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Extension of aircraft beyond their original design service life or operation in expanded or different roles pose challenges in continuing to operate these aircraft economically or safely. Management of the fleet generally entails increased structural inspection and maintenance, repair of inevitable fatigue damage or possible structural replacement. In a large number of cases structural elements become life limiting or require major rework due to fatigue cracks and damage originating at holes. Hole cold expansion to induce residual compressive stresses around the hole, and thereby minimize the stress concentration effect of the hole, is a proven method for retarding cracks at holes. Reworking existing structure using this technology can significantly extend the fatigue and damage tolerance life and ultimately reduce or eliminate the need for costly ongoing structural inspection while ensuring continued airworthiness without compromising performance or weapons systems capability. This paper discusses the hole cold expansion method as well as derivative technology used to repair fatigue cracked or corroded holes using high interference fit cold expanded bushings. Examples of where the technology is used to extend service lives and restore structural integrity on aging military and commercial aircraft will be presented.
Author | : ASM International. Handbook Committee |
Publisher | : |
Total Pages | : 1178 |
Release | : 1990 |
Genre | : Corrosion and anti-corrosives |
ISBN | : |
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These volumes cover the properties, processing, and applications of metals and nonmetallic engineering materials. They are designed to provide the authoritative information and data necessary for the appropriate selection of materials to meet critical design and performance criteria.
Author | : United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation |
Publisher | : |
Total Pages | : 280 |
Release | : 1990 |
Genre | : Aeronautics |
ISBN | : |
Download Assuring the Safety of the Aging Airline Fleet Book in PDF, ePub and Kindle
Author | : United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation |
Publisher | : |
Total Pages | : 104 |
Release | : 1989 |
Genre | : Aeronautics |
ISBN | : |
Download Aging Aircraft Book in PDF, ePub and Kindle
Author | : Alan Carter Pentz |
Publisher | : |
Total Pages | : 0 |
Release | : 2015 |
Genre | : |
ISBN | : |
Download A service life extension (SLEP) approach to operating aging aircraft beyond their original design lives Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1572 |
Release | : 1992 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : Kenny K. Chase |
Publisher | : |
Total Pages | : 103 |
Release | : 2006 |
Genre | : DOD. |
ISBN | : |
Download Commander Naval Air Forces (CNAF) Aircraft Operations Maintenance (AOM) Book in PDF, ePub and Kindle
Naval aviation serves as a vital component of many air and ground task organized forces vying for a share of the Department of Defense (DoD) budget. The decisions in the 1990s to reduce purchases of new equipment left the Navy with aging fleets of aircraft that are increasingly expensive to maintain. This situation coupled with the cost of the Global War on Terror has created a cycle in which more funds are spent maintaining older equipment at the expense of new purchases. This has lead to still older equipment and higher maintenance costs. The increases in the costs of operating and maintaining aging military equipment have created a budgetary crisis in the Department of Defense. The Commander Naval Air Forces (CNAF), Commander, Naval Air Force, U.S. Pacific Fleet (COMNAVAIRPAC), and Commander, Naval Air Force, U.S. Atlantic Fleet (COMNAVAIRLANT), face the great challenge of effectively vying for their share of the 37 percent of the DoD budget that pays for the day-to-day costs of Operation and Maintenance (O & M). Precisely identifying budgeting and costs for sustaining Aircraft Operations Maintenance (AOM) of the Navy's aging fleet of aircraft is vital to preserving an essential component of current war fighting doctrine. Unfortunately, establishing the association between age and costs is complex. Costs are likely to be affected by an aircraft's age, component technology, the number of flight hours, manner in which it is flown, and the resources devoted to maintenance. Therefore, to better identify costs and maintenance trends of value to Naval aviation, the cost drivers for AOM should be investigated. The purpose of this study is to analyze the effectiveness of the aircraft maintenance process in conjunction with actions to remove impediments to non-deployed aviation readiness. The methodology for the study will involve an analysis of specific changes in training personnel, equipping depots, executing programs, and utilizing infrastructure, along with a review of the end results of these changes.
Author | : |
Publisher | : |
Total Pages | : 394 |
Release | : 1998 |
Genre | : Aeronautics |
ISBN | : |
Download FAA Aviation News Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 124 |
Release | : 1997-09-30 |
Genre | : Technology & Engineering |
ISBN | : 0309174473 |
Download Aging of U.S. Air Force Aircraft Book in PDF, ePub and Kindle
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.
Author | : |
Publisher | : |
Total Pages | : 922 |
Release | : 1993 |
Genre | : Power resources |
ISBN | : |
Download Energy Research Abstracts Book in PDF, ePub and Kindle