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The Maintenance Costs of Aging Aircraft by Matthew C. Dixon Pdf
The U.S. Air Force is grappling with the challenge of aging fleets and the optimal time to replace them. This monograph examines commercial aviation data to draw inferences about aging aircraft that may be relevant to the Air Force. It focuses on "aging effects"-i.e., how aircraft maintenance costs change as aircraft grow older. Although commercial aircraft clearly differ from military aircraft, the aging-effect estimates might help the Air Force to project changing maintenance costs over time.
Aging aircraft. Fleet planning and maintenance by Sebastian Wagner Pdf
Seminar paper from the year 2014 in the subject Engineering - Aerospace Technology, grade: 1,3, University of Applied Sciences Wildau (Wildau Institute of Technology), course: Aviation Management 2012, language: English, abstract: Indeed, the majority of airlines are faced with the challenge of aging fleets and when it might be optimal to replace older aircraft. Well, any discussion of the wisdom of retaining capital equipment is usually based on economic arguments. In a competitive environment, airlines are continuously obliged to improve their business and equipment to stay profitable. The prediction of future maintenance costs of the own fleet is an integral element of prospective budgeting projections; on the other hand they serve as a vital part within aircraft replacement calculations. For example if the costs of maintaining the existing equipment on a timely basis exceeds the capital, interest, and amortization charges on replacement equipment, the decision to buy a sort of replacement is straightforward. In most cases the substitute equipment even offers an improved productivity as well (Dixon 2006, p. 1). Beside any debate concerning costs and efficiency, flight safety considerations also enter into the discussion especially in the field of aviation. The question to repair or replace is an ongoing decision making process for the maintenance department of every airline operator. Now the key questions to be answered in this context are: Is it possible to describe a standard airplane service life and how does the fleet age of world’s leading airlines look like? How does the process of maintenance develop over an aircraft’s whole life cycle and can necessary costs be estimated? What can be done technically to keep aging effects of aircraft under control and when might be the right time to withdraw an aircraft from service? In order to answer the abundance of questions my term paper is divided into an economic based part including compiled data and statistics and a more technical part. In the beginning, this paper investigates the ordinary economic life of commercial airplanes. Additionally I’m going to inspect exemplary the average fleet age of world’s leading airlines. In the second stage I am going to describe how to estimate maintenance costs of aircraft that grow older. Further I wanted to clarify technical aspects and problems that might occur more frequently with the rising age of an aircraft.
Challenges and Issues with the Further Aging of U.S. Air Force Aircraft by J. R. Gebman Pdf
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.
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.
Shock-n-awe in 21st Century Aviation Maintenance by Algy F. Giles,Conrad B. House Pdf
The theme of this book is that 21st Century Technology aircraft (NEXGEN) has out paced the data and knowledge for aging aircraft programs today. Persons involved with NEXGEN aircraft have minimum historical data and knowledge to base maintenance practices on to ensure airworthiness. The economy of the industry for the last twenty years has resulted in reducing maintenance training to diminish maintenance costs and by using contract onshore and offshore facilities for maintenance and inspection. This mixture of maintenance actions has left the industry vulnerable to sub-grade maintenance practices on aging aircraft as well as NEXGEN aircraft. Aging Aircraft Structural Programs parameters and time lines do not track the same as Aging Aircraft Nonstructural Programs; e.g. computer, electronic, electric, fuel and hydraulic systems. The Aging Nonstructural Systems Research began with a White House Commission on Aviation Safety and Security in 1997 by the Federal Aviation Administration (FAA) William J. Hughes Technical Center and is still being studied today. Meanwhile NEXGEN aircraft experience system failures around the world.
United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation
Author : United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation Publisher : Unknown Page : 104 pages File Size : 44,6 Mb Release : 1992 Category : Law ISBN : UOM:39015029512632
Federal Oversight of the Maintenance and Repair of Aging Aircraft by United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation Pdf
The Costs of Aging Aircraft by Matthew C. Dixon Pdf
This dissertation's objective is to assist the Air Force (AF) in making difficult yet necessary choices regarding its aging fleets in order to fulfill national security objectives at lowest cost. Costs related to maintenance are a key component to the AF's decision-making process. In general, AF fleets are aging. This motivates the AF to want accurate maintenance cost forecasts. Forecasts of its current fleets and future replacement fleets are necessary. This dissertation will use commercial airline data to help the AF make these difficult choices.
Aircraft Maintenance Programs by David Lapesa Barrera Pdf
This book provides the first comprehensive comparison of the Aircraft Maintenance Program (AMP) requirements of the two most widely known aviation regulators: the European Aviation Safety Agency (EASA) and the Federal Aviation Administration (FAA). It offers an in-depth examination of the elements of an AMP, explaining the aircraft accident investigations and events that have originated and modelled the current rules. By introducing the Triangle of Airworthiness model (Reliability, Quality and Safety), the book enables easier understanding of the processes by which an aircraft and its components are deemed to be in a safe condition for operation from a cost-effective and optimization perspective. The book compares the best practices used by top airlines and compiles a series of tools and techniques to improve the standards of the AMP. Aircraft maintenance engineers, students in the field of aerospace engineering, and airlines staff, as well as researchers more widely interested in safety, quality, and reliability will benefit from reading this book
National Research Council,Division on Engineering and Physical Sciences,National Materials Advisory Board,Commission on Engineering and Technical Systems,Committee on Aging of U.S. Air Force Aircraft
Author : National Research Council,Division on Engineering and Physical Sciences,National Materials Advisory Board,Commission on Engineering and Technical Systems,Committee on Aging of U.S. Air Force Aircraft Publisher : National Academies Press Page : 124 pages File Size : 52,6 Mb Release : 1997-09-30 Category : Technology & Engineering ISBN : 9780309174473
Aging of U.S. Air Force Aircraft by National Research Council,Division on Engineering and Physical Sciences,National Materials Advisory Board,Commission on Engineering and Technical Systems,Committee on Aging of U.S. Air Force Aircraft Pdf
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.
Military Cost-Benefit Analysis by Francois Melese,Anke Richter,Binyam Solomon Pdf
This is the first comprehensive book on Military Cost-Benefit Analysis and provides novel approaches to structuring cost-benefit and affordability analysis amidst an uncertain defense environment and cloudy fiscal prospects. Lifting the veil on military Cost-Benefit Analysis, this volume offers several new practical tools designed to guide defense investments (and divestments), combined with a selection of real-world applications. The widespread employment of Cost-Benefit Analysis offers a unique opportunity to transform legacy defense forces into efficient, effective, and accountable 21st century organizations. A synthesis of economics, statistics and decision theory, CBA is currently used in a wide range of defense applications in countries around the world: i) to shape national security strategy, ii) to set acquisition policy, and iii) to inform critical investments in people, equipment, infrastructure, services and supplies. As sovereign debt challenges squeeze national budgets, and emerging threats disrupt traditional notions of security, this volume offers valuable tools to navigate the political landscape, meet calls for fiscal accountability, and boost the effectiveness of defense investments to help guarantee future peace and stability. A valuable resource for scholars, practitioners, novices and experts, this book offers a comprehensive overview of Military Cost-Benefit Analysis and will appeal to anyone interested or involved in improving national security, and will also be of general interest to those responsible for major government programs, projects or policies.
