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Articles 1 - 30 of 45
Full-Text Articles in Engineering
A Review And Analysis Of General Aviation Instructional Accidents, Sydney Sommers
A Review And Analysis Of General Aviation Instructional Accidents, Sydney Sommers
Mechanical Engineering Undergraduate Honors Theses
General aviation student pilot accidents represent a substantial portion of all aviation accidents in the United States. Almost 50% of general aviation accidents involve student pilots. Analyzing historical accident reports is the most common approach to studying accident causation. The National Transportation Safety Board (NTSB) investigates all civil aviation accidents in the US. Using the NTSB data, I analyzed general aviation student pilot accidents in the US between 2013 and 2022. Results indicate that most accidents take place in California and Florida and can be attributed to student pilots between 18 and 65 years of age. Alaska and Maine had …
Efficacy Of Virtual Reality-Based Simulations In Training Aviation Maintenance Technicians On Maintenance Procedures, Gayatri Anoop
Efficacy Of Virtual Reality-Based Simulations In Training Aviation Maintenance Technicians On Maintenance Procedures, Gayatri Anoop
All Theses
The COVID-19 pandemic forced institutions of higher education (IHEs) to halt in-person classes and transition to online platforms. Given the intricate process of adapting hands-on experiments to the online environment, this transition seemed particularly challenging for Science, Technology, Engineering, Mathematics, and Medicine (STEMM) labs. The abrupt nature of this transition added to the difficulties, given that the IHEs were inadequately prepared for seamless continuity during the pandemic. In the first phase of this project, a literature review was conducted to understand the impact of COVID-19 pandemic on education. Specifically, the review explored the challenges that institutions of higher education faced, …
Evaluating Flight Crew Decision-Making Through Part 121 Taxi Operations, Grant Marsh
Evaluating Flight Crew Decision-Making Through Part 121 Taxi Operations, Grant Marsh
Doctoral Dissertations and Master's Theses
With the mandate of Automatic Dependent Surveillance-Broadcast (ADS-B) going into effect at the start of 2020, commercial companies have been able to log and store information on aircraft identification, airspeed, heading, and altitude all in one database.to Now, anyone can access previously hard-to-obtain flight data for analysis using a commercially available database. While ADS-B provides information on “what is happening,” information on “why” flight crews operate aircraft in a certain way is not incorporated into ADS-B.
The National Aeronautics and Space Administration’s (NASA) Aviation Safety Reporting System (ASRS) collects reports written by flight crews, Air Traffic Control Specialists, and other …
Analysis, Measurement, And Modeling Of Millimeter Wave Channels For Aviation Applications, Zeenat Afroze
Analysis, Measurement, And Modeling Of Millimeter Wave Channels For Aviation Applications, Zeenat Afroze
Theses and Dissertations
Millimeter wave (mmWave) communication systems can employ a large amount of spectrum, and can consequently offer large data rates, e.g., multi-Gigabits-per-second. This technology can be used in many sectors: aviation, vehicles, public transportation, robotics, autonomous factories, etc. Yet mmWave communication systems suffer from some propagation challenges, including large free space path loss (PL), large penetration loss, and large diffraction loss. Hence, it is vital to quantify these and other channel effects to ensure link reliability. Most mmWave systems will employ directional antennas to enable acceptable link distances. In many settings this will require directional receiver antennas to rotate in azimuth …
Identification And Validation Of A Predicted Risk-Taking Propensity Model Among General Aviation Pilots, Joel Samu
Doctoral Dissertations and Master's Theses
Risk-taking, a persistent topic of interest and concern in aviation, has been linked with unsafe behaviors and accidents. However, risk-taking propensity is a complex construct that encompasses numerous factors still being researched. Even within the limited research available about the factors affecting pilots’ risk-taking propensity, studies have yielded inconsistent results. Therefore, this quantitative study explores existing and novel factors that predict the propensity for risk-taking among general aviation (GA) pilots in the United States.
This study, conducted in two stages, involved developing a prediction model using backward stepwise regression to predict pilots’ risk propensity, followed by model fit testing using …
A Generalizable Method And Case Application For Development And Use Of The Aviation Systems – Trust Survey (As-Ts)., Jamison Hicks
A Generalizable Method And Case Application For Development And Use Of The Aviation Systems – Trust Survey (As-Ts)., Jamison Hicks
Theses and Dissertations
Automated systems are integral in the development of modern aircraft, especially for complex military aircraft. Pilot Trust in Automation (TIA) in these systems is vital for optimizing the pilot-vehicle interface and ensuring pilots use the systems appropriately to complete required tasks.
The objective of this research was to develop and validate a TIA scale and survey methodology to identify and mitigate trust deficiencies with automated systems for use in Army Aviation testing. There is currently no standard TIA assessment methodology for U.S. Army aviation pilots that identifies trust deficiencies and potential mitigations.
A comprehensive literature review was conducted to identify …
Writing Matters: Investigating The Quality Of Collegiate Aviation Incident Report Narratives, Kayla D. Taylor
Writing Matters: Investigating The Quality Of Collegiate Aviation Incident Report Narratives, Kayla D. Taylor
Doctoral Dissertations and Master's Theses
Strong communication skills are fundamental to workplace success in the field of aviation. Numerous studies have shown that a deficiency in communication skills contributes to aviation accidents, and, as a result, the development of communication competencies within the aviation industry has received considerable critical attention. Understanding the acquisition and subsequent progression of writing skills throughout a pilot’s education, specifically in preparatory aviation courses, is an emerging area of research in aviation communication.
This study examined how the level of supplemental discipline-specific guidance affects the writing quality of incident report narratives composed by collegiate pilot students at Embry-Riddle Aeronautical University (ERAU). …
A Simulation Of The Impacts Of Climate Change On Civil Aircraft Takeoff Performance, Thomas D. Pellegrin
A Simulation Of The Impacts Of Climate Change On Civil Aircraft Takeoff Performance, Thomas D. Pellegrin
Doctoral Dissertations and Master's Theses
Climate change affects the near-surface environmental conditions that prevail at airports worldwide. Among these, air density and headwind speed are major determinants of takeoff performance, and their sensitivity to global warming carries potential operational and economic implications for the commercial air transport industry. Previous archival and prospective research observed a weakening in headwind strength and predicted an increase in near-surface temperatures, respectively, resulting in an increase in takeoff distances and weight restrictions. The main purpose of the present study was to update and generalize the extant prospective research using a more representative sample of worldwide airports, a wider range of …
Enhancing Cyberspace Monitoring In The United States Aviation Industry: A Multi-Layered Approach For Addressing Emerging Threats, Matthew Janson
Enhancing Cyberspace Monitoring In The United States Aviation Industry: A Multi-Layered Approach For Addressing Emerging Threats, Matthew Janson
Doctoral Dissertations and Master's Theses
This research project examined the cyberspace domain in the United States (U.S.) aviation industry from many different angles. The research involved learning about the U.S. aviation cyberspace environment, the landscape of cyber threats, new technologies like 5G and smart airports, cybersecurity frameworks and best practices, and the use of aviation cyberspace monitoring capabilities. The research looked at how vulnerable the aviation industry is from cyber-attacks, analyzed the possible effects of cyber-attacks on the industry, and suggests ways to improve the industry's cybersecurity posture. The project's main goal was to protect against possible cyber-attacks and make sure that the aviation industry …
Strategies Aircraft Manufacturing Organizational Leaders Use For Proper Material Pricing, Chin Kuei Jen
Strategies Aircraft Manufacturing Organizational Leaders Use For Proper Material Pricing, Chin Kuei Jen
Walden Dissertations and Doctoral Studies
The lack of proper material pricing strategies can challenge manufacturers’ profitability and growth. Aircraft manufacturing leaders are concerned because understanding and developing material pricing strategies are essential to increasing profitability. Grounded in price theory, the purpose of this qualitative single case study was to explore strategies aircraft manufacturing organizational leaders use for proper material pricing estimates. The participants were four aircraft manufacturing organizational leaders from a successful aircraft manufacturing business located in the state of Georgia. Data were gathered from semistructured interviews and document reviews and analyzed using Yin’s five step approach. The four themes that emerged were the impact …
Strategies Aircraft Manufacturing Organizational Leaders Use For Proper Material Pricing, Chin Kuei Jen
Strategies Aircraft Manufacturing Organizational Leaders Use For Proper Material Pricing, Chin Kuei Jen
Walden Dissertations and Doctoral Studies
The lack of proper material pricing strategies can challenge manufacturers’ profitability and growth. Aircraft manufacturing leaders are concerned because understanding and developing material pricing strategies are essential to increasing profitability. Grounded in price theory, the purpose of this qualitative single case study was to explore strategies aircraft manufacturing organizational leaders use for proper material pricing estimates. The participants were four aircraft manufacturing organizational leaders from a successful aircraft manufacturing business located in the state of Georgia. Data were gathered from semistructured interviews and document reviews and analyzed using Yin’s five step approach. The four themes that emerged were the impact …
Detection, Tracking, And Classification Of Aircraft And Birds From Multirotor Small Unmanned Aircraft Systems, Chester Valentine Dolph
Detection, Tracking, And Classification Of Aircraft And Birds From Multirotor Small Unmanned Aircraft Systems, Chester Valentine Dolph
Electrical & Computer Engineering Theses & Dissertations
The ability for small Unmanned Aircraft Systems (sUAS) to safely operate beyond visual line of sight (BVLOS) is of great interest to governments, businesses, and scientific research. One critical element for sUAS to operate BVLOS is the capability to avoid other air traffic. While many aircraft will be cooperative and broadcast their locations using Automatic Dependent Surveillance Broadcast (ADS-B), it is expected that many aircraft will remain non-cooperative – meaning they do not communicate position or flight plan to other aircraft. Avoiding mid-air collisions with non-cooperative aircraft is a critical limitation to widespread sUAS flying BVLOS. Examples of non-cooperative traffic …
Machine Learning And Artificial Intelligence Methods For Cybersecurity Data Within The Aviation Ecosystem, Anna Baron Garcia
Machine Learning And Artificial Intelligence Methods For Cybersecurity Data Within The Aviation Ecosystem, Anna Baron Garcia
Doctoral Dissertations and Master's Theses
Aviation cybersecurity research has proven to be a complex topic due to the intricate nature of the aviation ecosystem. Over the last two decades, research has been centered on isolated modules of the entire aviation systems, and it has lacked the state-of-the-art tools (e.g. ML/AI methods) that other cybersecurity disciplines have leveraged in their fields. Security research in aviation in the last two decades has mainly focused on: (i) reverse engineering avionics and software certification; (ii) communications due to the rising new technologies of Software Defined Radios (SDRs); (iii) networking cybersecurity concerns such as the inter and intra connections of …
Mindfulness Workshop For Airline Pilots, Eric Miller
Mindfulness Workshop For Airline Pilots, Eric Miller
Mindfulness Studies Theses
The science on mindfulness as it relates specifically to aviation is sparse. It has only been in recent years that mindfulness has been examined as it relates to aviation. That being the case, this paper draws connections from areas that are already well studied with mindfulness; stress, anxiety, attention, and communication. Evidence exists that even short duration mindfulness interventions can have positive effects on mindfulness. The one-day workshop created with this thesis gives pilots a cursory overview of mindfulness as it relates to various areas of commercial aviation. Furthermore, the workshop will teach pilots how these different mindfulness techniques can …
Flying Wing Uav For Surveillance And Object Tracking, Kristen Padgett, Scott Semmelink, Jared Lasley, Paul Horne
Flying Wing Uav For Surveillance And Object Tracking, Kristen Padgett, Scott Semmelink, Jared Lasley, Paul Horne
Senior Design Project For Engineers
Unmanned aerial vehicles (UAV) have become ubiquitous in recent years due to their adaptability and ease of use. Surveillance UAVs in particular have seen increased interest and usage by law enforcement, civilian security, surveying, and federal services. The increased interest has led to the development of UAVs with increased endurance and payload capacity. Further as many of the applications of surveillance drones involve heightened security requirements, an aircraft of domestic make is preferential to many organizations. With this demand in mind, Inspired Products, LLC put forth a request for assistance in the design and testing of a surveillance UAV. More …
Human Fatigue Predictions In Complex Aviation Crew Operational Impact Conditions, Suresh Rangan
Human Fatigue Predictions In Complex Aviation Crew Operational Impact Conditions, Suresh Rangan
Doctoral Dissertations
In this last decade, several regulatory frameworks across the world in all modes of transportation had brought fatigue and its risk management in operations to the forefront. Of all transportation modes air travel has been the safest means of transportation. Still as part of continuous improvement efforts, regulators are insisting the operators to adopt strong fatigue science and its foundational principles to reinforce safety risk assessment and management. Fatigue risk management is a data driven system that finds a realistic balance between safety and productivity in an organization. This work discusses the effects of mathematical modeling of fatigue and its …
A Comparison Of The Effectiveness And Integration Capability Of Personal Aerial Vehicles (Pav) Into The Existing Transportation Network Of The City Of Los Angeles, Alec Perkins
Williams Honors College, Honors Research Projects
Traffic demands on the current infrastructure network is becoming more strained as populations migrate and increase, particularly in large cities. Therefore, city officials, transportation and traffic authorities and researchers, and city inhabitants themselves are always striving to find faster and more efficient means of transportation. With the rise of new technologies such as autonomous vehicles and drones, the applications for transportation are endless. Therefore, this paper will describe and explore the operations, and consequently the efficacy, of Personal Aerial Vehicles (PAV), also known as Urban Air Mobility (UAM). The machines, while still hypothetical, are being researched extensively by some of …
Emergency Landing And Guidance System, Joseph Alarid
Emergency Landing And Guidance System, Joseph Alarid
Master's Theses
Every year there are thousands of aviation accidents along with hundreds of human deaths that happen around the world. While the data is sparse, it is well documented that many of these happen from emergency landings gone awry. While pilots can generally make great landings in clear daytime conditions, they are significantly handicapped when it comes to landing at night or amongst poor visibility conditions.
Due to the nature of this problem and some of the large scale advances in software technology we propose a solution that provides a significant improvement from the status quo. Using transfer learning on neural …
General Aviation Modular Electric Tow Bar, Devon Tandberg
General Aviation Modular Electric Tow Bar, Devon Tandberg
All Undergraduate Projects
In general aviation, pilots use either a tow bar or a tug to maneuver their planes to and from its parking place. A tow bar is a lightweight human powered device that allows a pilot to push and pull his/her pane by themselves using human power. A tug is a similar device, except much bigger and heavier, and is electrically powered, allowing for an easier time maneuvering a plane. The downside to a tug is since they are bigger and heaver, they cannot be taken with a pilot on a trip. The goal of this project was to combine the …
Aviation Sustainability, Elizabeth Gemmer
Aviation Sustainability, Elizabeth Gemmer
Honors Projects
Sustainability in aviation has become a prominent issue. There is a substantial amount of information on sustainability measures taken and discussed at the local and global levels. However, the information is spread out over a wide array of sources and many people are not aware of what is being done. There have been many past efforts to integrate sustainability into aviation, those efforts continue today and will continue into the future. Aviation is a rapidly growing industry; as the industry grows and there becomes even more of a need for sustainability measures to keep it a viable mode of transport, …
Development And Initial Evaluation Of A Reinforced Cue Detection Model To Assess Situation Awareness In Commercial Aircraft Cockpits, Aysen K. Taylor
Development And Initial Evaluation Of A Reinforced Cue Detection Model To Assess Situation Awareness In Commercial Aircraft Cockpits, Aysen K. Taylor
Engineering Management & Systems Engineering Theses & Dissertations
Commercial transport aircraft of today vary greatly from early aircraft with regards to how the aircraft are controlled and the feedback provided from the machine to the human operator. Over time, as avionics systems became more automated, pilots had less direct control over their aircraft. Much research exists in the literature about automation issues, and several major accidents over the last twenty years spurred interest about how to maintain the benefits of automation while improving the overall human-machine interaction as the pilot is considered the last line of defense.
An important reason for maintaining or even improving overall pilot situation …
難於登天 Harder Than Climbing To Heaven: Fighter Aviation In The Republic Of China Air Force (1928-1994), Jordan Andy Li
難於登天 Harder Than Climbing To Heaven: Fighter Aviation In The Republic Of China Air Force (1928-1994), Jordan Andy Li
History
A study of the founding and evolution of the Republic of China (ROC) Air Force's fighter aviation from 1928-1994. Topics include Chinese Air Force during the Second Sino-Japanese War (1937-1945), Chinese Civil War, and cross-Taiwan Strait relations throughout the Cold War.
Human Factors Contributing To Unstabilized Approaches And Landings In Commercial Aviation Incidents: An Analysis Of Asrs Reports, Garrin E. Ross
Human Factors Contributing To Unstabilized Approaches And Landings In Commercial Aviation Incidents: An Analysis Of Asrs Reports, Garrin E. Ross
Doctoral Dissertations and Master's Theses
The purpose of this study was to investigate the human factors reported as contributing to operational incidents of unstabilized approaches and landings in United States-based commercial aviation. While previous aviation safety studies have analyzed aviation incident data when investigating the human factor influences during commercial aviation operations and incidents, unstabilized approaches and landings have not been explicitly examined using similar methods. Informed by the findings and recommendations of the Flight Safety Foundation’s Approach and Landing Accident Reduction Task Force, this study examined and analyzed the Aviation Safety Reporting System (ASRS) incident report data from unstabilized approach and landing events. The …
Relationship Between Airline Category, Geographical Region, And Safety Performance, Peter Simpson
Relationship Between Airline Category, Geographical Region, And Safety Performance, Peter Simpson
Walden Dissertations and Doctoral Studies
Passengers rank safety as a key factor in airline choice. Thus, safety performance impacts an airline's ability to attract customers. The purpose of this correlational study was to examine the relationship and difference between airline category low-cost carriers (LCCs) and full-service carriers (FSCs), geographical region, and safety performance measured by accident rates. The target population comprised all airlines in all countries that had an accident during the 14-year period 2004 to 2017. Data consisted of archival data of all global airline accidents and airline departure frequencies for the 14-year period. The theory of organizational accidents in complex sociotechnical systems explains …
A Case Study Of Instructional Methods Used For Private Pilot Certification At Utah Valley University Flight School, Michael Robert Graham
A Case Study Of Instructional Methods Used For Private Pilot Certification At Utah Valley University Flight School, Michael Robert Graham
Theses and Dissertations
In this case study, researchers investigated the instructional methods used to train private pilot students at Utah Valley University. Traditional one-on-one individualized learning methods were replaced with cooperative learning methods. Descriptive statistics were used to determine the effectiveness and efficiency of the cooperative learning methods used. Reduced training time, less repeated lessons and a reduced number of flight hours showed that cooperative learning methods were more efficient and a more effective way to train private pilot students at Utah Valley University.
Service Improvement And Cost Reduction For Airlines: Optimal Policies For Managing Arrival And Departure Operations Under Uncertainty, Heng Chen
Doctoral Dissertations
Annual U.S. air travel demand has been growing steadily by 4-5% over the last decade, and it is estimated that the demand will nearly double in the next twenty years. It has also been estimated by the International Civil Aviation Organization that global demand for commercial aircraft will increase at an average annual rate of 4.1% by 2034 (IATA, 2014). However, airport expansions and aviation infrastructure upgrades have not kept pace with the increase in air traffic demand, as only 3% of all the new airport projects around the world are planned in the U.S. (CAPA, 2015). Thus, the operation …
Applying Gis Technology In Airport Management, Eleanor Clark
Applying Gis Technology In Airport Management, Eleanor Clark
Honors Projects
This honors project involved applying two disciplines to aid in advancing the efficiency of airport management at the Toledo Express Airport. I utilized my geography and aviation knowledge and geographic information system (GIS) skills to create a GIS, a webmap, and a 3-in-1 map-based program that had the capabilities of executing Part 139 Self Inspections, asset management, and work orders. The GIS system and webmap were successfully created to aid in management, cohesiveness, and efficiency within the Toledo-Lucas County Port Authority, the managing entity of the Toledo Express Airport. For the 3-in-1 map-based program, I worked closely alongside a programmer …
Unsupervised Learning Framework For Large-Scale Flight Data Analysis Of Cockpit Human Machine Interaction Issues, Abhishek B. Vaidya
Unsupervised Learning Framework For Large-Scale Flight Data Analysis Of Cockpit Human Machine Interaction Issues, Abhishek B. Vaidya
Open Access Theses
As the level of automation within an aircraft increases, the interactions between the pilot and autopilot play a crucial role in its proper operation. Issues with human machine interactions (HMI) have been cited as one of the main causes behind many aviation accidents. Due to the complexity of such interactions, it is challenging to identify all possible situations and develop the necessary contingencies. In this thesis, we propose a data-driven analysis tool to identify potential HMI issues in large-scale Flight Operational Quality Assurance (FOQA) dataset. The proposed tool is developed using a multi-level clustering framework, where a set of basic …
Phase Of Flight Identification In General Aviation Operations, Valentine Pascale Goblet
Phase Of Flight Identification In General Aviation Operations, Valentine Pascale Goblet
Open Access Theses
Identifying phases of flight in General Aviation can help in identifying safety events, which are events which may result in the aircraft being in a hazardous state. Unlike commercial operations that have well-defined phases of flight such as taxi, takeoff, climb, cruise, descent, approach, and landing, GA missions have more hard-to-identify phases of flight. For example, pilot training missions can involve multiple “touch-and-go” maneuvers, which make it difficult to define a distinct cruise phase during the patterns. Here, we present an algorithm to automatically identifying phases of flight in GA. The method includes an algorithm to tailor the phase of …
Skycsr: Optimal Communication Methods For Coordinating Ground Support In A Private And General Aviation Setting, Jessica Burke
Skycsr: Optimal Communication Methods For Coordinating Ground Support In A Private And General Aviation Setting, Jessica Burke
Industrial and Manufacturing Engineering
Delays due to miscommunication of between the pilot and ground service providers are increasing. The objective of this project is to develop a new method of communication between pilots, line service technicians and customer service agents. This will be achieved first through an investigation into current methods and state of the industry, followed by a survey conducted with a group of pilots and flight schools. This culminates in a web application that will take the deficiencies identified in the survey, to make sure ground service or fuel orders are explicitly clear and minimize the probability of a mis-fueling, overlooked fueling, …