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Articles 31 - 48 of 48
Full-Text Articles in Management and Operations
General Aviation Hypoxia And Reporting Statistics, Timothy Holt, Jacqueline Luedtke, Jennah Perry, Michelle Hight, Claire Schindler, Pamela Ward
General Aviation Hypoxia And Reporting Statistics, Timothy Holt, Jacqueline Luedtke, Jennah Perry, Michelle Hight, Claire Schindler, Pamela Ward
Journal of Aviation Technology and Engineering
Hypoxia is defined as a lack of oxygen throughout the body, which can be caused by several factors at any altitude. General aviation (GA) pilots may argue that most GA aircraft cannot attain the required altitudes where one might be more affected by hypoxia, but it is exactly that attitude that may makes pilots more susceptible to hypoxia. The impact of this hazardous attitude is even more apparent if one considers that out of the 590,038 certificated pilots in the USA, a little over 30% of them are GA pilots (FAA, 2015). The problem is that unlike airline pilots or …
International Aviation Collaboration In A Study Abroad Program, Brian Kozak, Peng Hao Wang
International Aviation Collaboration In A Study Abroad Program, Brian Kozak, Peng Hao Wang
ASEE IL-IN Section Conference
Aviation is a global industry. As we continue to push the boundaries of technical advancements and operational efficiency in the aviation industry, the reliance on the global workforce will continue to increase. In the United States of America, the majority of educational establishments focus mainly in the education and training of students for the US aviation industry. The narrow focus significantly limits the amount of exposure and opportunities available to the students of these educational establishments. In order to improve global exposure and provide students with opportunities outside of the US aviation industry, the authors of the paper successfully established …
Incidence Of An Astronaut Not Sealing The Pressure Garment Visor On Reentry, Cameron M. Smith, Trent Tresch
Incidence Of An Astronaut Not Sealing The Pressure Garment Visor On Reentry, Cameron M. Smith, Trent Tresch
Journal of Human Performance in Extreme Environments
Audiovisual records of a Project Mercury pilot’s activities during an orbital flight indicate that his visor was left open during reentry and descent to the sea surface, phases of flight during which cabin pressure loss was to be mitigated by suit pressurization; however, the suit could not have been pressurized with the visor open. Thus, for a presently unknown reason, a critical safety step—sealing the visor and making a pressure suit integrity test before reentry—was overlooked in this flight. Later, Space Shuttle flights were carried out with visors unsealed for much of the launch and landing phases, with the false …
The Controversial F-35 Joint Strike Fighter: America's Most Expensive Weapons System And Its Global Impact, Bert Chapman
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.
Assessment Of Small Unmanned Aerial Systems Operations In The National Airspace System, Kabir O. Kasim
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. …
Enhanced, Risk-Based Faa Oversight On Part 145 Maintenance Practices: A Qualitative Study, Bryan G. Sheehan, Timm J. Bliss, Chad L. Depperschmidt
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
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.
Assessing The Benefits Of Performance-Based Navigation Procedures, Kabir O. Kasim
Assessing The Benefits Of Performance-Based Navigation Procedures, Kabir O. Kasim
Journal of Aviation Technology and Engineering
Performance-based Navigation (PBN) allows aviation operations to be conducted based on actual operational requirements rather than the requirements of ground-based equipment. Although the general operational benefits of PBN procedures have been recognized by various studies, there is a need to specify the actual benefits in terms of the frequency of event anomalies that could be expected from the use of PBN procedures. The study reviewed some of the available literature and identified some operational improvements as reported by previous authors. The study then proceeded to review archival data from the Aviation Safety Reporting System (ASRS) database with a view to …
Visually Analyzing The Impacts Of Essential Air Service Funding Decisions, Rohan Kashuka, Chittayong Surakitbanharn, Calvin Yau, David S. Ebert
Visually Analyzing The Impacts Of Essential Air Service Funding Decisions, Rohan Kashuka, Chittayong Surakitbanharn, Calvin Yau, David S. Ebert
The Summer Undergraduate Research Fellowship (SURF) Symposium
Essential Air Service (EAS) is a U.S. government subsidy program which ensures maintenance of commercial airline services in small deregulated communities. The program’s budget currently is around $250 million annually, which is used as subsidy for airlines to maintain a minimal level of scheduled air service in relatively smaller airports. It is evident that 2% of the FAA budget is being spent to maintain air service in smaller communities, but there is not enough evidence to prove that all the current decisions made by Congress about EAS are advantageous. To understand these decisions, 15 years of data produced by the …
Hybrid Buoyant Aircraft: Future Stol Aircraft For Interconnectivity Of The Malaysian Islands, Anwar Ul Haque, Waqar Asrar, Ashraf Ali Omar, Erwin Sulaeman, Jaffar Syed Mohamed Ali
Hybrid Buoyant Aircraft: Future Stol Aircraft For Interconnectivity Of The Malaysian Islands, Anwar Ul Haque, Waqar Asrar, Ashraf Ali Omar, Erwin Sulaeman, Jaffar Syed Mohamed Ali
Journal of Aviation Technology and Engineering
Hybrid buoyant aircraft are new to the arena of air travel. They have the potential to boost the industry by leveraging new emerging lighter-than-air (LTA) and heavier-than-air (HTA) technologies. Hybrid buoyant aircraft are possible substitutes for jet and turbo-propeller aircraft currently utilized in aviation, and this manuscript is a country-specific (Malaysia) analysis to determine their potential market, assessing the tourism, business, agricultural, and airport transfer needs of such vehicles. A political, economic, social, and technological factors (PEST) analysis was also conducted to determine the impact of PEST parameters on the development of buoyant aircraft and to assess all existing problems …
A Safety Management Model For Far 141 Approved Flight Schools, Flavio A. C. Mendonca, Thomas Q. Carney
A Safety Management Model For Far 141 Approved Flight Schools, Flavio A. C. Mendonca, Thomas Q. Carney
Journal of Aviation Technology and Engineering
The Safety Management Annex (Annex 19), which became applicable in November 2013, consolidates safety management provisions previously contained in six other International Civil Aviation Organization (ICAO) Annexes, and will serve as a resource for overarching state safety management responsibilities. Through Annex 19, ICAO has required that its member states develop and implement safety management systems (SMS) to improve safety. This mandate includes an approved training organization that is exposed to aviation safety risks. In 2015, the FAA published AC 120-92B to provide guidance material for certificate holders operating under FAR 121, to implement and maintain an SMS. This AC may …
Applications Of Ads-B In General Aviation, Chenyu Huang, Mary E. Johnson
Applications Of Ads-B In General Aviation, Chenyu Huang, Mary E. Johnson
Purdue Road School
ADS-B Applications for General Aviation Airports—ADS-B (Automatic Dependent Surveillance–Broadcast) Out will soon be required for aircraft operating in most assigned airspace categories. ADS-B data are more accessible for analysis than data from flight data monitoring devices and can potentially be used to improve airport operations. General aviation airports need low-cost, effective solutions. In this session we explore data from ADS-B technologies that support operations counting, landing/takeoff cycle characterization, and landing fee assessment, and that potentially identify areas of operational concern.
Designing Fixed-Base Operations Utilizing Systems Engineering Principles, Ross L. Stephenson Jr., David A. Carroll
Designing Fixed-Base Operations Utilizing Systems Engineering Principles, Ross L. Stephenson Jr., David A. Carroll
Journal of Aviation Technology and Engineering
There are currently over 3,200 fixed-base operations (FBOs) conducting business in the United States attempting to meet the demands of FAA Part 91, Part 135, and a limited number of Part 121 operations. With the US economy slowly climbing out of the trough during 2013, the utilization of fixed-base operations has become more attractive and economical to the corporate business and the affluent recreational traveler. Despite the increased flight activities utilizing the services of fixed-base operators, keen competition, rising fuel cost, and the economies of scale recognized by large FBO franchises significantly erode the profitability and sustainability of smaller FBOs. …
An Exploratory Study: Correlations Between Occupational Stressors, Coping Mechanisms, And Job Performance Among Chinese Aviation Maintenance Technicians, Yu Wang, Julius C. Keller, Chenyu Huang, Richard O. Fanjoy
An Exploratory Study: Correlations Between Occupational Stressors, Coping Mechanisms, And Job Performance Among Chinese Aviation Maintenance Technicians, Yu Wang, Julius C. Keller, Chenyu Huang, Richard O. Fanjoy
Journal of Aviation Technology and Engineering
Aviation maintenance technicians play a vital role in air transportation. These workers are responsible for keeping aircraft airworthy and executing safety responsibilities. Undesirable stress levels may have a negative impact on work performance (Mowday, Porter, & Steers, 2013). Poor work performance may manifest in safety violations, absenteeism, turnover, and disengagement. These outcomes may disrupt an organization’s operation and negatively impact the financial bottom line. This mixed-methods exploratory research study was aimed at examining the relationships between occupational stress, coping mechanisms, and job performance. Research questionnaires were electronically distributed to frontline aviation maintenance technicians at multiple airlines in China. Eighty-two ( …
Estimation Of Performance Airspeeds For High-Bypass Turbofans Equipped Transport-Category Airplanes, Nihad E. Daidzic
Estimation Of Performance Airspeeds For High-Bypass Turbofans Equipped Transport-Category Airplanes, Nihad E. Daidzic
Journal of Aviation Technology and Engineering
Conventional Mach-independent subsonic drag polar does not replicate the real airplane drag characteristics exactly and especially not in the drag-divergence region due to shock-induced transonic wave drag. High-bypass turbofan thrust is a complicated function of many parameters that eludes accurate predictions for the entire operating envelope and must be experimentally verified. Fuel laws are also complicated functions of many parameters which make optimization and economic analysis difficult and uncertain in the conceptual design phase. Nevertheless, mathematical models and predictions have its important place in aircraft development, design, and optimization. In this work, airspeed-dependent turbofan thrust and the new fuel-law model …
Pilot Source Study 2015: Us Regional Airline Pilot Hiring Background Characteristic Changes Consequent To Public Law 111-216 And The Faa First Officer Qualifications Rule, Elizabeth Bjerke, Guy Smith, Maryjo Smith, Cody Christensen, Thomas Carney, Paul Craig, Mary Niemczyk
Pilot Source Study 2015: Us Regional Airline Pilot Hiring Background Characteristic Changes Consequent To Public Law 111-216 And The Faa First Officer Qualifications Rule, Elizabeth Bjerke, Guy Smith, Maryjo Smith, Cody Christensen, Thomas Carney, Paul Craig, Mary Niemczyk
Journal of Aviation Technology and Engineering
This report is the first article in a series called Pilot Source Study 2015. Public Law (PL) 111-216, passed by the US Congress in 2010, and the subsequent FAA Regulation, Pilot Certification and Qualification Requirements for Air Carrier Operations Rule, abruptly changed the pilot hiring situation for US air carriers operating under 14 CFR Part 121. PL 111-216 became effective on August 1, 2013; thereafter, pilots were not eligible to be first officers in Part 121 air carriers unless they were certificated as Air Transport Pilots (ATP) with 1,500 hours of flight time, with some flight hour reductions for …
An Integrated Framework For Fostering Human Factor Sustainability And Increased Safety In Aviation Ramp Operations, Sarah M. Hubbard, Denver Lopp
An Integrated Framework For Fostering Human Factor Sustainability And Increased Safety In Aviation Ramp Operations, Sarah M. Hubbard, Denver Lopp
Journal of Aviation Technology and Engineering
The aviation work environment has one of the highest accident rates of any industry sector in the United States, resulting in significant costs for both employee injuries and equipment damage. In fact, injury rates exceed rates found in areas that are widely recognized as hazardous, such as construction and mining, and it is estimated that aircraft ground damage costs are as high as 5 billion to 10 billion dollars per year. Purdue University’s Aviation Technology Department has conducted numerous safety and human factors studies in the past decade encompassing maintenance and repair operations, corporate flight departments, and over ten major …
The Impact Of The First Officer Qualification Ruling: Pilot Performance In Initial Training, Nancy R. Shane
The Impact Of The First Officer Qualification Ruling: Pilot Performance In Initial Training, Nancy R. Shane
Journal of Aviation Technology and Engineering
The intent of the First Officer Qualification (FOQ) ruling was to improve the quality of first officers flying for Part 121 carriers. In order to test this, a study was completed at a regional carrier to compare pilots hired prior to the FOQ ruling with those hired after the FOQ ruling. The study compared 232 pilots hired from 2005–2008 with 184 pilots hired from August 2013–November 2014. The pilots’ date of hire as compared to the date the FOQ ruling went into effect defined the input (Source) variable. Initial training defined the output (Success) variables. The airline name and all …