Management and Operations Commons^™

Analyzing Large Workers’ Compensation Claims Using Generalized Linear Models And Monte Carlo Simulation, Fatemeh Davoudi Kakhki, Steven Freeman, Gretchen Mosher

Faculty Publications

Insurance practitioners rely on statistical models to predict future claims in order to provide financial protection. Proper predictive statistical modeling is more challenging when analyzing claims with lower frequency, but high costs. The paper investigated the use of predictive generalized linear models (GLMs) to address this challenge. Workers’ compensation claims with costs equal to or more than US$100,000 were analyzed in agribusiness industries in the Midwest of the USA from 2008 to 2016. Predictive GLMs were built with gamma, Weibull, and lognormal distributions using the lasso penalization method. Monte Carlo simulation models were developed to check the performance of predictive …

Developing Port Marketing Strategies: A Case Study For Bangkok Port, Thailand, Kanchisa Deerod

World Maritime University Dissertations

No abstract provided.

Digital Disruption Solution, Camila Bisinoto Borges, Cristiane Lunardi Das Neves Rodriques, Daniel Dias Landroni, Tatiane De Araugo Mendonça

Graduate Student Works

Since March, 2017, the cost of denied boarding began to draw the attention of all Brazilian airlines because of the Resolution 400 of the Brazilian National Civil Aviation Agency. This Resolution covers several items but here we will focus on the penalty that the airlines need to pay for each passenger who had his boarding denied involuntarily in domestic flights.

An operating restriction of an airline may result in the denial of boarding of a specified number of passengers. When this process of selecting the passengers and their accommodation on another flight happens very close to the time of departure, …

Efficacy Of Virtual Models In A Production Systems Course, Lawrence Whitman, Barbara Chaparro

Barbara S. Chaparro

Wichita State University has developed an integrated set of virtual reality models of an aircraft assembly line. These models are intended to provide students an ‘artifact’ of industrial and manufacturing engineering by providing a realistic environment for initial learning and application. By utilizing a virtual model of the line, students are able to view the process and interrogate the process details, make changes and observe the effects, and gain a better understanding of the concepts and their interrelationships. This paper presents the method used to assess if virtual models (computer models of a real factory) lead to: improved perception of …

Delineating Operating And Support Costs In Aircraft Platforms, Garrett B. O'Hanlon, Jonathan D. Ritschel, Edward D. White, Gregory E. Brown

Faculty Publications

As the costs of Department of Defense (DoD) Weapon Systems increase, the ability to estimate the Operating and Support (O&S) costs accurately for the various weapon systems has become vital to long-term affordability. This research focuses on the O&S costs of the Air Force fixed-wing arsenal (i.e., platforms) for 1996–2016. First, the Cost Element Structure (CES) for 52 aircraft platforms and seven operational mission categories is analyzed to derive the descriptive statistics per aircraft category through examination of actual historical costs. Second, testing to identify statistical differences within the O&S CES construct across various Air Force aircraft categories is conducted. …

Evaluation Of Rsaf Airworthiness And Applicability, Majed M. Altowairqi

Theses and Dissertations

This research focuses on evaluation of Royal Saudi Air Force (RSAF) airworthiness processes and their applicability. The current RSAF airworthiness process is in accordance with internationally recognized best practice in the area of military aviation, this is achieved by benchmarking against European Aviation Safety Agency (EASA) and International Organization for Standardization (ISO) standards. Airworthiness policy for the RSAF is developed on the basis that it will be as civil as possible and as military as necessary. For the purpose of this research, the current RSAF airworthiness process will be benchmarked against the United States Air Force (USAF) airworthiness process. That …

Flightline Simulation Model Of A Squadron, Huseyin Mert

Theses and Dissertations

Military flight training is a long and costly process. Ensuring that the training aircraft are ready for flight is critical in processing pilots through training courses on schedule. Maintaining a high mission capable rate for training aircraft requires scheduled periodic maintenance and maintenance between sorties. Aircraft Ground Equipment (AGE) is used to service each aircraft to make it ready for the following flight. Having a sufficient amount of AGE available is critical, as cancelling or delaying sorties due to lack of AGE generally has a significant impact on the training schedule. This work analyzes the AGE support equipment used in …

Assessment And Comparison Of Aviation Manufacturing Industries Throughout Mexico And Brazil, Omar E. Morsi, Kelly A. Whealan-George, Aaron D. Clevenger

Aaron D. Clevenger

This literature review serves to provide insight and understanding in regards to the evolving aviation manufacturing industry throughout the globe and more specifically, Mexico and Brazil. Increased demand for aircraft units both in the commercial and private sectors have led to unprecedented expansions in aircraft manufacturing across the industry. In order to illuminate certain potentials and current growth levels of such industries, this review will delve into an array of information and specifications in regards to economic, political, and cultural influences throughout both Mexican and Brazilian markets respectively. In conclusion, the review will identify the transformation of an aviation manufacturing …

Clean-Fuel E-Vtol Air Mobility Vehicles For Unmanned And Manned Operations, Larry D. Mccarroll, Brian Morrison, Bruce J. Holmes D.E., Faiaa, Fraes, Henry Vu

National Training Aircraft Symposium (NTAS)

Imagine for a moment, having your very own safe, affordable, clean-fuel, point-to-any point vehicle for travel in the 21st-century 3-dimensional airspace system. Your ultra-reliable e-VTOL allows commuters to leave behind the constraints of hub-and-spoke airports, and the congestion of interstates, turnpikes and freeways. Facilitating Inter- and Intra-urban travel, such as downtown-to-airport, or metropolis-to-metropolis, or home-to-work. Perfect for dense urban environments worldwide. And all while offering the clean power of hydrogen for zero-emission travel.

This vision for efficient, clean, delay-free mobility has been talked about for decades, but always waived aside as some kind of futurist vision. This future requires tackling …

Determination Of Takeoff And Landing Distances Using An Ipad Performance Application For The Diamond Da40, Tyler A. Babb, Christina Hiers

International Journal of Aviation, Aeronautics, and Aerospace

All pilots are required to calculate aircraft performance parameters prior to flight. This includes takeoff and landing distances. Traditionally, pilots in training have planned for takeoff and landing performance using paper charts provided by the manufacturer. However, professional pilots use devices such as Flight Management Systems (FMS), Electronic Flight Bag (EFB) applications, or on-board performance computers (OPC) to make such calculations. During primary flight training, student pilots could make performance calculations with proper software, similar to the method they will typically use at the professional level. Recently an iPad application was released which can calculate numerous performance parameters for specific …

Evaluation Of Airline Efficiency And Environmental Impacts Using Data Envelopment Analysis, Arun Paul Saini

Doctoral Dissertations and Master's Theses

Airline efficiency has been a focus of research since the birth of the airline industry. Data envelopment analysis has become a highly accepted methodology for performing efficiency analysis and assessing relative differences between comparable business entities; over the last decade, airline efficiency research has proliferated into this linear programming domain. While early airline efficiency research focused primarily on revenue generation and profitability, growing commercial social responsibility is driving greater investment into understanding and improving the environmental impact of airline operations. This study is intended to partially fill a gap in exigent literature. While limited data envelopment analysis including environmental impacts …

The Perceived Value Of Frequent Flyer Program Benefits Among Australian Travelers, Yi Gao, Madeline Carrigg, Robert Lewinski, Danielle Polderman, Paul Tkalcevic

International Journal of Aviation, Aeronautics, and Aerospace

Understanding the perceived value of frequent flyer program benefits is crucial for commercial operations of airlines. This study aimed to investigate if travelers value various benefits provided by airlines and if such valuation correlates with certain characteristics of travelers. Through a scenario-based questionnaire it was confirmed that travelers do value extra and premium benefits offered by airlines, and such valuation increases along with the distance of route. It was also been found that top-tier members were willing to make a much higher offer for the same benefits on long-haul international route than members of lower status, but such difference in …

General Aviation Pilot Acceptance And Adoption Of Electronic Flight Bag Technology, Troy Ernest Techau

Doctoral Dissertations and Master's Theses

This research used an adapted version of the extended Unified Theory of Acceptance and Use of Technology (UTAUT2) to examine electronic flight bag (EFB) acceptance and adoption for general aviation (GA) pilots. EFBs are a common tool in almost all types of aviation and feature many useful capabilities such as the ability to display traffic, weather, and aviation charts. Despite their potential benefits, while some pilots choose to use EFBs in their flight operations, others continue to rely on traditional paper charts and reference materials. Determination of which factors explain differences in pilot acceptance and adoption of EFBs could influence …

Validation And Verification Flight Tests Of Fixed-Wing Collaborative Uass With High Speeds And High Inertias, A Ram (Bella) Kim

A Ram (Bella) Kim

Book Review: Fundamentals Of International Aviation, Alan Bender

International Journal of Aviation, Aeronautics, and Aerospace

Not applicable.

Control Of Multi-Agent Collaborative Fixed-Wing Uass In Unstructured Environment, A Ram (Bella) Kim

A Ram (Bella) Kim

Validation And Verification Of Gnc For Large Fixed-Wing Unmanned Aerial System In Unstructured And Noisy Environment, A Ram (Bella) Kim

A Ram (Bella) Kim

Space Operations In The Suborbital Space Flight Simulator And Mission Control Center: Lessons Learned With Xcor Lynx, Pedro Llanos, Christopher Nguyen, David Williams, Kim O. Chambers Ph.D., Erik Seedhouse, Robert Davidson

Pedro J. Llanos (www.AstronauticsLlanos.com)

This study was conducted to better understand the performance of the XCOR Lynx vehicle. Because the Lynx development was halted, the best knowledge of vehicle dynamics can only be found through simulator flights. X-Plane 10 was chosen for its robust applications and accurate portrayal of dynamics on a vehicle in flight. The Suborbital Space Flight Simulator (SSFS) and Mission Control Center (MCC) were brought to the Applied Aviation Sciences department in fall 2015 at Embry-Riddle Aeronautical University, Daytona Beach campus. This academic and research tool is a department asset capable of providing multiple fields of data about suborbital simulated flights. …

Analyzing Operating And Support Costs For Air Force Aircraft, Scott C. Hewitson, Jonathan D. Ritschel, Edward D. White, Gregory Brown

Faculty Publications

Purpose: Recent legislation resulted in an elevation of operating and support (O&S) costs’ relative importance for decision-making in Department of Defense programs. However, a lack of research in O&S hinders a cost analyst’s abilities to provide accurate sustainment estimates. Thus, the purpose of this paper is to investigate when Air Force aircraft O&S costs stabilize and to what degree. Next, a parametric O&S model is developed to predict median O&S costs for use as a new tool for cost analyst practitioners.
Design/Methodology/Approach: Utilizing the Air Force total ownership cost database, 44 programs consisting of 765 observations from 1996 to 2016 …

Us Regional Airline Pay Scale Changes, Alex Nikle, Elizabeth Bjerke

International Journal of Aviation, Aeronautics, and Aerospace

The United States regional air carrier industry has recently undergone a substantial transformation in pilot salaries and hiring practices. Regional airlines are employing professional aviators at unprecedented rates in response to economic growth, regulatory reform, and legacy air carrier retirements. The combination of these factors has spurred demand for qualified air carrier pilots. As the hiring continues to increase, regional airlines are finding new ways to attract certified pilots to include: salary increases, bonuses incentives, and legacy airline employment flow agreements. The following report analyzes the salary changes that have occurred at US regional airlines from 2007-2017. From this data, …

Assessment Of The Evolving Low-Cost Business Model For The Future Importance Of U.S. Secondary Airports, Nurettin Dinler

Theses and Dissertations

Airline deregulation caused a profound reshape in the aviation industry. The liberalization of the aviation sector resulted in a favorable environment for the emergence of low-cost carriers (LCCs). Following deregulation, airlines saw many attempts at their business strategies to gain more passengers in air transportation market. To capture additional market shares of passenger traffic, the business models of LCCs have evolved to mirror the more common business models employed by the traditional legacy airlines. The purpose of this study was to examine what effect, if any, exists between LCCs’ market share of passenger enplanements at secondary airports and their business …

The Controversial F-35 Joint Strike Fighter: America's Most Expensive Weapons System And Its Global Impact, Bert Chapman

Libraries Faculty and Staff Creative Materials

Provides an overview on the F-35 Joint Strike Fighter (JSF) program involving the U.S. and many allied countries. Describes the costs of this program, the technical problems it has experienced, its economic impact on the U.S. and allied countries, the JSF's operational capabilities, potential combat scenarios in which it could be used, and the campaign finance impact aerospace companies and unions have in the electoral process.

An Analysis Of Regional Airlines’ Response To The Pilot Shortage And How It Impacts Collegiate Pilots, Jared Samost

Honors Program Theses and Projects

According to the Air Line Pilots Association there is an acute shortage of qualified pilots willing to fly for regional air carriers due to a lack of benefits and pay (Pilot Supply and the Future of the Profession, n.d.). Other organizations, such as the Regional Airline Association (RAA), believe the pilot shortage is due to strict and lengthy eligibility requirements imposed recently by the governing body of aviation, The Federal Aviation Administration (FAA). The purpose of this project is to analyze the opposing views on the pilot shortage in the regional carriers and examine the recruitment efforts regional carriers utilize …

Assessment Of Small Unmanned Aerial Systems Operations In The National Airspace System, Kabir O. Kasim

Journal of Aviation Technology and Engineering

The operation of small unmanned aerial systems (sUAS) in the National Airspace System requires a careful consideration of the operating philosophies to ensure a safe outcome for all users. Small UAS operations are explored while the associated risks and benefits from the operations are reviewed. The operation of sUAS in self-separation airspace is discussed by an examination of the concept of autonomous flight rules (AFR). This includes a presentation of the basic principles of AFR and an explanation of the requirement for a sense-and-avoid system. Current and future uses of sUAS are presented to highlight the benefits from their use. …

Airport Passenger Processing Technology: A Biometric Airport Journey, Vishra Patel

Doctoral Dissertations and Master's Theses

A passengers’ traveling journey throughout the airport is anything but simple. A passenger goes through numerous hoops and hurdles before safely boarding the aircraft. Many airports today are implementing isolated solutions for passenger processing. Some of these technologies include automated self-service kiosks and bag tag, self-service bag drop-off, along with automated self-service gates for boarding and border control. These solutions can be integrated with biometric systems to enhance passenger handling. This thesis analyzes the current passenger processing technology implemented at airports around the world and their associated challenges that passengers face. A new passenger processing technology called a biometric single …

Profitability And Financial Performance Indicators In U.S. Airports - A Preliminary Investigation, Abbas Shaban

Doctoral Dissertations and Master's Theses

Airport profitability is fundamental for all airports around the world. To this effect, this study examines factors affecting airport profitability such as the number of passengers, the number of landings and take-offs, cargo (lbs), airport debt, the size of the airport, and the terminal utilization. Most of the large and medium hub airports in the U.S are considered in this study, and regression analysis is used to analyze the data.

The results of this study show that factors examined are statistically significant when measuring airport profitability, which in turns could suggest that airports with high values in most of these …

United States Air Force Applications Of Unmanned Aerial Systems: Modernizing Airfield Damage Assessment, Samuel M. Clark

Theses and Dissertations

Modernizing airfield damage assessment has long been a priority mission at the Air Force Civil Engineer Center (AFCEC). Previously, AFCEC has made advances to expedite unexploded ordnance (UXO) neutralization and pavement repair. Missing from these initiatives is the initial assessment component. This thesis expands the idea of using Small Unmanned Aerial Systems (SUAS), applies it to the Air Force mission, and provides SUAS vehicle configuration and sensor recommendations. In this study, 25 civil engineer officers reviewed airfield imagery gathered using two small air vehicles. For the first review, participants attempted to identify UXOs and foreign object debris (FOD) in a …

Flightline Heroics And The Façade Of A Healthy Common Support Equipment Fleet, Benjamin D. Bobic

Theses and Dissertations

Access to serviceable support equipment enables aircraft maintenance crews the ability to efficiently keep assigned aircraft safe and mission capable. Current Air Force policy does not require formal management and enterprise fleet health reporting of serialized support equipment. As such, articulating funding requirements to replace equipment has been a challenge for equipment managers. To better articulate support equipment requirements, equipment managers need quantifiable support equipment data. A previous study examined the relationship between aircraft availability and support equipment availability. While finding no significant correlation, the author identifies the practices of "Frankensteining" and "Beg-Borrow-Steal" as possible reasons for the absence of …

Enhanced, Risk-Based Faa Oversight On Part 145 Maintenance Practices: A Qualitative Study, Bryan G. Sheehan, Timm J. Bliss, Chad L. Depperschmidt

Journal of Aviation Technology and Engineering

The purpose of this qualitative study was to examine the phenomenon of enhanced, risk-based Federal Aviation Administration (FAA) oversight of Part 145 repair stations in Oklahoma that performed aircraft maintenance for Part 121 air carriers. Specifically, this research was utilized to explore the lived (personal) experiences of Part 145 repair station managers concerning operational changes in air carrier maintenance practices. The researchers’ intent was not to examine the effectiveness of changes implemented by the FAA; instead, to explore how management has experienced the enhanced changes in their Oklahoma-based Part 145 repair stations. Forty-two percent of the participants indicated a weak …

General Aviation Pilots' Strategies To Mitigate Bird Strikes, Flavio Coimbra Mendonca Mr, Thomas Q. Carney

Purdue Road School

To date, a few operational efforts have been launched by the FAA to mitigate wildlife strikes away from the airport jurisdiction, and those do not include actions by general aviation (GA) pilots. This presentation explores the safety training of GA pilots using aeronautical decision-making concepts as a strategy to mitigate the risk of mishaps due to birds. Previous research, the FAA Serial Report #22, and final reports of GA aircraft accidents due to birds will be covered.