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Airspace Saturation And Midair Collision Risk: A Case Study At A Class D Airport, Luigi Raphael I. Dy, John H. Mott 2024 Purdue University

Airspace Saturation And Midair Collision Risk: A Case Study At A Class D Airport, Luigi Raphael I. Dy, John H. Mott

International Journal of Aviation, Aeronautics, and Aerospace

Near midair collisions are precursor events to actual collisions and may be an indicator of risk. While previous studies have used reports of near midair collisions to relate factors such as airspace saturation to near midair collisions, the reports relied upon were generally subjective in nature. With the adoption of automatic dependent surveillance-broadcast (ADS-B), the approximate position of every equipped aircraft can be recorded. A six-month case study was performed at the Purdue University airport to relate the number of 1000-foot proximity events to airspace saturation, and whether the Class D airspace affected this relationship. Through a logistic regression analysis, …


Comparative Analysis Of Aviation And Ground Transportation Safety Standards Applicable To The Integration Of Unmanned Aircraft Operations, Andrew Walker 2024 Embry-Riddle Aeronautical University

Comparative Analysis Of Aviation And Ground Transportation Safety Standards Applicable To The Integration Of Unmanned Aircraft Operations, Andrew Walker

International Journal of Aviation, Aeronautics, and Aerospace

This study performed a comparative analysis of SMS in both the aviation and ground transportation industries to identify any gaps that may impact aviation safety by incorporating UAS operations within the ground transportation industry. The study reviewed relevant literature and compared the FAA SMS and FMCSA SMC policy components. The study also compared the implementation of OSHA requirements within the aviation and ground transportation industries. After reviewing the relevant policy components, the study finds that differences in safety standards between the FAA SMA and FMCSA SMC would impact safety. The study recommends that the SMC incorporate process descriptions for SRM …


Functional Monitoring For Run-Time Assurance Of A Real-Time Cyber Physical System, Matthew W. Gelber 2024 Virginia Commonwealth University

Functional Monitoring For Run-Time Assurance Of A Real-Time Cyber Physical System, Matthew W. Gelber

Theses and Dissertations

As cyber-physical systems (CPS) become more integrated into everyday life, the security of these systems must also be considered during their development due to their ever-increasing importance. With the growth of physical components in the system, more autonomous control requirements, and increased dependence on proper functionality, verifying system safety and correct operation becomes increasingly difficult. CPS have become more complex through the combination of additional hardware and the resulting interconnected software in many layers, each requiring unique security solutions. One example of such a safety-critical CPS embedded system is the Flight Control System (FCS) of an Unmanned Aerial System (UAS). …


Virtual Reality & Pilot Training: Existing Technologies, Challenges & Opportunities, Tim Marron M.S., Niall Dungan BSc, Captain, Brian Mac Namee PhD, Anna Donnla O'Hagan PhD 2024 University College Dublin

Virtual Reality & Pilot Training: Existing Technologies, Challenges & Opportunities, Tim Marron M.S., Niall Dungan Bsc, Captain, Brian Mac Namee Phd, Anna Donnla O'Hagan Phd

Journal of Aviation/Aerospace Education & Research

The introduction of virtual reality (VR) to flying training has recently gained much attention, with numerous VR companies, such as Loft Dynamics and VRpilot, looking to enhance the training process. Such a considerable change to how pilots are trained is a subject that warrants careful consideration. Examining the effect that VR has on learning in other areas gives us an idea of how VR can be suitably applied to flying training. Some of the benefits offered by VR include increased safety, decreased costs, and increased environmental sustainability. Nevertheless, some challenges ahead for developers to consider are negative transfer of learning, …


Traffic Monitoring System, Elizabeth Suda 2023 Bowling Green State University

Traffic Monitoring System, Elizabeth Suda

Honors Projects

The Traffic Monitoring System (TMS) was implemented at the Bowling Green Flight Center as a pre-planning traffic volume tool for flight instructors to utilize when deciding on a safe location for a training event. The TMS allows the instructor to pre-determine a location during the preflight planning stage that provides the best traffic separation, rather than finding out once airborne that an designated flight training area is overcrowded leading to greater collision hazards. The Traffic Management System has provided Bowling Green Flight Center pilots and instructors with greater situational awareness of traffic and increased safety margins in flight training.


A Qualitative Ethnographic Case Study Exploring The Hispanic/Latinx Interpretations Of Collegiate Aviation Safety Culture, Jorge L. D. Albelo Ph.D., Leo G. Acosta, Flavio A. C. Mendonca Ph.D., Eugene Kim, Felipe Almodovar 2023 Embry-Riddle Aeronautical University

A Qualitative Ethnographic Case Study Exploring The Hispanic/Latinx Interpretations Of Collegiate Aviation Safety Culture, Jorge L. D. Albelo Ph.D., Leo G. Acosta, Flavio A. C. Mendonca Ph.D., Eugene Kim, Felipe Almodovar

Journal of Aviation Technology and Engineering

Through a combination of ethnographic principles and a qualitative case study structure, this study strives to understand how Hispanic/ Latinx aviation students perceive the current aviation safety culture in their flight training program. Grounded in the reciprocal safety culture model, the researchers attempt to answer how does Hispanic/Latinx culture influence perceptions towards commitment to aviation safety? and what are Hispanic/Latinx students’ perceptions of their ability to influence aviation safety culture? Three major themes emerged from the data: behavioral signs of safety culture at the collegiate level, obstacles to a sound safety culture, and methods to improve the safety culture. Moreover, …


Identification And Validation Of A Predicted Risk-Taking Propensity Model Among General Aviation Pilots, Joel Samu 2023 Embry-Riddle Aeronautical University

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 …


Evidence-Based Managerial Decision-Making With Machine Learning: The Case Of Bayesian Inference In Aviation Incidents, Aaron Glassman, Burak Cankaya, Kazim Topuz, Dursun Delen 2023 Embry-Riddle Aeronautical University

Evidence-Based Managerial Decision-Making With Machine Learning: The Case Of Bayesian Inference In Aviation Incidents, Aaron Glassman, Burak Cankaya, Kazim Topuz, Dursun Delen

Publications

Understanding the factors behind aviation incidents is essential, not only because of the lethality of the accidents but also the incidents’ direct and indirect economic impact. Even minor incidents trigger significant economic damage and create disruptions to aviation operations. It is crucial to investigate these incidents to understand the underlying reasons and hence, reduce the risk associated with physical and financial safety in a precarious industry like aviation. The findings may provide decision-makers with a causally accurate means of investigating the topic while untangling the difficulties concerning the statistical associations and causal effects. This research aims to identify the significant …


The Impact Of Flight On Cabin Crew Wellness: A Literature Review, Ashleigh Roderick 2023 Liberty University

The Impact Of Flight On Cabin Crew Wellness: A Literature Review, Ashleigh Roderick

Senior Honors Theses

Since its conception in 1903, aviation has captivated the attention of people across the globe and has been utilized in many sectors of society. Aviation related occupations pose a unique set of risks to those working in the field, health risks being one of the most prominent. Cancer, cardiovascular disease, musculoskeletal ailments, and genetic damage have all been studied as potential consequences of working in the aviation industry, as some studies indicate a higher prevalence of these issues in aviation employees. Apart from physiological issues, mental health issues have also been observed in those working in aviation. Mental health issues …


Investigating The Costs And Economic Impact Of Flight Delays In The Aviation Industry And The Potential Strategies For Reduction, Ashmith Anupkumar 2023 California State University, San Bernardino

Investigating The Costs And Economic Impact Of Flight Delays In The Aviation Industry And The Potential Strategies For Reduction, Ashmith Anupkumar

Electronic Theses, Projects, and Dissertations

This study addressed a critical issue in our travel life: flight delays. This study covers all aspects of a flight delay, from its causes and consequences to reduction strategies. The focused research questions were: To determine the outcome of flight delays in the aviation industry, to determine costs associated with flight delays for airlines, airports, and passengers, and to determine strategies for reducing flight delays in the aviation industry for robust findings. The findings for each question were as follows: the primary causes were overscheduling, airport hubbing, late check-ins, technical failure, etc. And the consequences were significant financial loss, the …


Design And Implementation Of High-Efficiency, Lightweight, System-Friendly Solid-State Circuit Breaker, Dehao Qin 2023 Clemson University

Design And Implementation Of High-Efficiency, Lightweight, System-Friendly Solid-State Circuit Breaker, Dehao Qin

All Dissertations

Direct current (DC) distribution system has shown potential over the alternative current (AC) distribution system in some application scenarios, e.g., electrified transportation, renewable energy, data center, etc. Because of the fast response speed, DC solid-state circuit breaker (SSCB) becomes a promising technology for the future power electronics intensive DC energy system with fault-tolerant capability. First, a thorough literature survey is performed to review the DC-SSCB technology. The key components for DC-SSCB, including power semiconductors, topologies, energy absorption units, and fault detection circuits, are studied. It is observed that the prior studies mainly focus on the basic interruption capability of the …


Covid-19: Visualized Qualitative Aviation Research Themes, Chien-tsung Lu, Huabo Sun 2023 Purdue University

Covid-19: Visualized Qualitative Aviation Research Themes, Chien-Tsung Lu, Huabo Sun

Journal of Aviation Technology and Engineering

The purpose of this study is to review pandemic-related publications that help the aviation industry cope with pandemic outbreaks like that of COVID-19. Published documents were searched and downloaded from academic libraries including Web of Science for a qualitative analysis. After the triangulation of publications for decisionmakers, and researchers, all important research clusters were visually generated based on the VOSviewer process. Some research clusters were further discussed for a thorough understanding of existing research perspectives. The result discovered that wearing a face mask and vaccination have been the two most effective means to counteract pandemic outbreaks. Additional findings were extracted …


Language As A Factor In Aviation Accidents And Serious Incidents: A Handbook For Accident Investigators Ed. 3, Elizabeth Mathews, Joan Carson, Anthony Brickhouse, Enrique Valdes 2023 Embry-Riddle Aeronautical University

Language As A Factor In Aviation Accidents And Serious Incidents: A Handbook For Accident Investigators Ed. 3, Elizabeth Mathews, Joan Carson, Anthony Brickhouse, Enrique Valdes

Handbooks

In an increasingly multicultural and multilingual aviation industry, it is important that accident investigators understand the complex role of language in maintaining safe operations. This Handbook supports investigators to systematically identify language factors in aviation accidents and serious incidents.


Enhancing Cyberspace Monitoring In The United States Aviation Industry: A Multi-Layered Approach For Addressing Emerging Threats, Matthew Janson 2023 Embry-Riddle Aeronautical University

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 …


Writing Matters: Investigating The Quality Of Collegiate Aviation Incident Report Narratives, Kayla D. Taylor 2023 Embry-Riddle Aeronautical University

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). …


Small Unmanned Aircraft Systems: Operator Workload And Situation Awareness Utilizing First Person View Techniques, Ross Lucas Stephenson Jr 2023 Embry-Riddle Aeronautical University

Small Unmanned Aircraft Systems: Operator Workload And Situation Awareness Utilizing First Person View Techniques, Ross Lucas Stephenson Jr

Doctoral Dissertations and Master's Theses

The small, unmanned aircraft systems (sUAS) sector within the aviation industry is experiencing unprecedented growth. However, the regulatory guidance for the safe integration of sUAS into the National Airspace System (NAS) has not kept pace with this technological growth within the market. Current regulatory limitations of line-of-sight operations may have an impact on the establishment of an equivalent level of safety for sUAS operations as maintained by manned aircraft. The focal point of the discussion of line-of-sight operations has been the ability of the sUAS pilot to see and avoid all obstacles and other aircraft in a safe and timely …


Utilizing Flight Data Monitoring At A Part 141 Flight School To Determine Predictors For Unstabilized Approaches And Go-Arounds, Hannah Rooney 2023 Embry-Riddle Aeronautical University

Utilizing Flight Data Monitoring At A Part 141 Flight School To Determine Predictors For Unstabilized Approaches And Go-Arounds, Hannah Rooney

Doctoral Dissertations and Master's Theses

As general aviation accident rates are much higher than those of Part 121 air carriers, and the approach and landing phase of flight accounts for more accidents than any other phase of flight, the study of the approach and landing phase of flight is warranted in greater detail. Flight Data Monitoring provides an excellent source of data for the study of individual landing parameters. The intent of this study was to evaluate potential predictors of unstable approaches as well as go-arounds.

Flight data provided by a Part 141 flight school was examined to determine predictors for unstable approaches and go-arounds. …


Loss Of Control In-Flight (Loc-I): A Mixed Methods Study Of Voluntary Versus Mandatory Reports From The United States Of America, Roger Lee 2023 Embry-Riddle Aeronautical University

Loss Of Control In-Flight (Loc-I): A Mixed Methods Study Of Voluntary Versus Mandatory Reports From The United States Of America, Roger Lee

Doctoral Dissertations and Master's Theses

Loss of control in flight (LOC-I) is one of modern aviation’s three most prominent fatal accidents. In the United States, air accidents are mandatorily reported to and investigated by the National Transportation Safety Board (NTSB). Established in 1976, the Air Safety Reporting System (ASRS) is a voluntary safety reporting (VSR) system administered by the National Aeronautics and Space Administration (NASA). Over 1.7 million ASRS reports have been processed to date. While the NTSB system handles LOC-I accidents, less severe incidents may have been reported voluntarily through the ASRS.

Safety reporting has been deemed the most valuable activity and the centerpiece …


Utilizing The System Engineering Trade Study Analysis Method To Analyze Patient Aeromedical Evacuation, Sara Shaghaghi, Jeremy M. Slagley, Michael E. Miller, Gaiven Varshney 2023 Air Force Institute of Technology

Utilizing The System Engineering Trade Study Analysis Method To Analyze Patient Aeromedical Evacuation, Sara Shaghaghi, Jeremy M. Slagley, Michael E. Miller, Gaiven Varshney

Faculty Publications

The US Air Force has gone through many aeromedical patient isolation transport system designs. The first designs were developed in response to the Ebola outbreak in 2014 and, more recently, the COVID-19 pandemic. The trade study analysis part of the system engineering design method was used to analyze the historic and current aeromedical patient contamination control transport systems. A trade study is a process that evaluates alternatives based upon various “-ilities”, such as reconfigurability, flexibility, durability, cost, and more, and performs a systematic analysis to aid designers in producing a ‘good’ design alternative given the large set of possible solutions. …


A Comparison Of Airport Risks: Unmanned Aircraft Systems (Uas) Sightings, Wildlife Strikes, And Runway Incursions, Cheng Wang, Sarah M. Hubbard 2023 Minnesota State University, Mankato

A Comparison Of Airport Risks: Unmanned Aircraft Systems (Uas) Sightings, Wildlife Strikes, And Runway Incursions, Cheng Wang, Sarah M. Hubbard

Journal of Aviation Technology and Engineering

To provide a context for the potential threat of unmanned aircraft systems (UAS) sightings on airport operations, this paper compares the characteristics of UAS sightings with two common airport threats: wildlife strikes and runway incursions. This study analyzed over 60,000 events in a three-year period (September 2016 to August 2019), including 6,551 UAS sightings from the Federal Aviation Administration (FAA) UAS Sightings Report database, 47,574 wildlife strikes from the FAA Wildlife Strike database, and 6,041 runway incursions from the FAA Runway Safety database. The results suggest both similarities and differences among the airport threats. Both UAS sightings and wildlife strikes …


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