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Articles 61 - 90 of 97
Full-Text Articles in Management and Operations
An Evaluation Of The Relationships Between Collegiate Aviation Safety Management System Initiative, Self-Efficacy, Transformational Safety Leadership And Safety Behavior Mediated By Safety Motivation, Daniel Kwasi Adjekum
Aviation Faculty Publications
The study conceptualized Safety Management System (SMS) initiative, self-efficacy, and transformational safety leadership as constructs that relates to safety behavior (measured by safety compliance and safety participation) when mediated by safety motivation using a quantitative approach. Structural equation modeling techniques was used to derive a final measurement model that fit the empirical data and was used to test the study hypotheses. Utilizing a sample of 282 collegiate flight students and instructors from a large public university in the US, a 46-item survey was used to measure respondent’s perceptions on the study variables. The results indicate that perceptions of SMS policy …
Finding The Balance Between Price And Protection: Establishing A Surface-To-Air Fire Risk-Reduction Training Policy For Air-Carrier Pilots, Earl W. Burress Jr.
Finding The Balance Between Price And Protection: Establishing A Surface-To-Air Fire Risk-Reduction Training Policy For Air-Carrier Pilots, Earl W. Burress Jr.
Journal of Aviation/Aerospace Education & Research
Currently, U.S. air carriers do not provide equipment or training necessary to mitigate the risk posed by surface-to-air fire (SAFIRE) threats. These threats consist of self-guided weapons (infrared shoulder-fired surface-to-air missiles), manually-aimed threats (small arms, recoilless grenade launchers, rockets, and light anti-aircraft artillery), and hand-held lasers. Technological solutions to counter infrared shoulder-fired missiles have been explored, but were rejected due to prohibitive equipment and maintenance costs. A lower cost option, providing air-carrier pilots with SAFIRE risk-reduction training, has not been formally addressed by the air-carrier industry or the U.S. federal government. This effort will use a business concept, the Cost-Benefit …
Windswept: Tailwinds, Headwinds, Crosswinds - Oh My!, Nihad E. Daidzic
Windswept: Tailwinds, Headwinds, Crosswinds - Oh My!, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
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 …
Utilization Of Trss To Assist Pilot’S Decision Making Process During Critical Runway Operations., Nihad E. Daidzic
Utilization Of Trss To Assist Pilot’S Decision Making Process During Critical Runway Operations., Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Determining The Runway Point-Of-No-Return For Landing Roll Go-Around In Transport Category Airplanes, Nihad E. Daidzic
Determining The Runway Point-Of-No-Return For Landing Roll Go-Around In Transport Category Airplanes, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Drone Journalism Lab Operations Manual, Matt Waite, Ben Kreimer
Drone Journalism Lab Operations Manual, Matt Waite, Ben Kreimer
College of Journalism and Mass Communications: Faculty Publications
This text is a guide for safely conducting drone journalism field work. It takes into account America's current drone regulations, our understanding of the public's acceptance of drones, the state of drone technologies, and our own experiences. The number one goal of any drone journalism operation is safety. At no time should safety be compromised. If there is any doubt, return the drone, also known as an unmanned aerial system (UAS), to the landing zone and terminate the flight. Ethical journalism is responsible journalism, and flying a drone means taking responsibility for the safety of those near you, on the …
Expedient Airfield Runway Repair Using Folded Fiberglass Mat, Christopher Y. Tuan, Willaim C. Dass
Expedient Airfield Runway Repair Using Folded Fiberglass Mat, Christopher Y. Tuan, Willaim C. Dass
Department of Civil and Environmental Engineering: Faculty Publications
For expedient airfield runway repair, the US Air Force has developed a folded fiberglass mat to cover craters repaired with a well-compacted granular base material. The objective of this study was to evaluate the adequacy of using polymer plugs to anchor the mat to a repaired asphalt pavement for heavy aircraft operations. The effort consisted of materials testing, field experiments and analytical modeling. An 89,800-kg (198,000-pound) load cart having the footprint of a single C-5 main gear was pulled on a mat with wheels locked to simulate full braking forces. Anchor bushings were instrumented to measure anchor loads. A simplified …
Extending Gr While Moving Up To Supersonic Speeds Poses Challenges Requiring Innovations, Nihad E. Daidzic
Extending Gr While Moving Up To Supersonic Speeds Poses Challenges Requiring Innovations, Nihad E. Daidzic
Aviation Department Publications
Achieving true global range requires new ideas in lightweight aircraft structures, progress in transonic and supersonic aerodynamics and breakthroughs in low-SFC propulsion.
Examining How Breakdowns In Pilot Monitoring Of The Aircraft Flight Path, Robert Sumwalt, David Cross, Dennis Lessard
Examining How Breakdowns In Pilot Monitoring Of The Aircraft Flight Path, Robert Sumwalt, David Cross, Dennis Lessard
International Journal of Aviation, Aeronautics, and Aerospace
Aircraft accident and incident data reveal that serious safety consequences can arise when flight crewmembers fail to properly monitor the aircraft flight path. This research study reviewed human factors literature to better understand why pilots fail to properly monitor, and analyzed accident and incident data. Recommendations for improving monitoring performance were formulated, which may be useful to air carriers in implementing a new Federal Aviation Administration requirement that calls for specific training in monitoring.
Bio-Fuel Alternatives In South African Airways (Saa) Operations - Is It An Effective Response To Vulnerability Over Carbon Taxes And Penalty?, Daniel Kwasi Adjekum
Bio-Fuel Alternatives In South African Airways (Saa) Operations - Is It An Effective Response To Vulnerability Over Carbon Taxes And Penalty?, Daniel Kwasi Adjekum
International Journal of Aviation, Aeronautics, and Aerospace
The paper did a comparative analysis of the carbon emission and European Union Emission Trading Surcharges (EU ETS) of South African Airways (SAA) current fleet that used aviation jet A1 fuel and the same fleet if it had used a 25% bio-fuel ‘drop in’ for the European routes within the first quarter of the 2014 flying year (FY 14). Operational data in terms of the flight scheduled, aircraft type, total time enroute, route stage length, passenger estimates were obtained through SAA’s flight operations website. An independent t–test was conducted to compare means of the emissions. The mean carbon dioxide …
Bio-Fuel Alternatives In South African Airways (Saa) Operations - Is It An Effective Response To Vulnerability Over Carbon Taxes And Penalty?, Daniel Kwasi Adjekum
Bio-Fuel Alternatives In South African Airways (Saa) Operations - Is It An Effective Response To Vulnerability Over Carbon Taxes And Penalty?, Daniel Kwasi Adjekum
Aviation Faculty Publications
The paper did a comparative analysis of the carbon emission and European Union Emission Trading Surcharges (EU ETS) of South African Airways (SAA) current fleet that used aviation jet A1 fuel and the same fleet if it had used a 25% bio-fuel ‘drop in’ for the European routes within the first quarter of the 2014 flying year (FY 14). Operational data in terms of the flight scheduled, aircraft type, total time enroute, route stage length, passenger estimates were obtained through SAA’s flight operations website. An independent t–test was conducted to compare means of the emissions. The mean carbon dioxide …
Efficient General Computational Method For Estimation Of Standard Atmosphere Parameters, Nihad E. Daidzic Ph.D., Sc.D.
Efficient General Computational Method For Estimation Of Standard Atmosphere Parameters, Nihad E. Daidzic Ph.D., Sc.D.
International Journal of Aviation, Aeronautics, and Aerospace
Knowledge of standard air temperature, pressure, density, speed of sound, and viscosity as a function of altitude is essential information in aircraft design, performance testing, pressure altimeter calibration, and several other aeronautical engineering and aviation science applications. A new efficient computational method for rapid calculations of standard atmospheric parameters up to 86 orthometric km is presented. Additionally, mass and weight of each standard atmospheric layer were calculated using a numerical integration method. The sum of all fractional masses and weights represents the total mass and weight of Earth’s atmosphere. The results obtained here agree well with measurements and models of …
Human Factors Considerations In Autonomous Lethal Unmanned Aerial Systems, Kristine Kiernan
Human Factors Considerations In Autonomous Lethal Unmanned Aerial Systems, Kristine Kiernan
Aviation / Aeronautics / Aerospace International Research Conference
The United States military is committed to the development of complete autonomy in unmanned vehicles, including armed unmanned aerial systems (UAS). The design and deployment of autonomous lethal UAS raises ethical issues that have implications for human factors. System design, procedures, and training will be impacted by the advent of autonomous lethal UAS. This paper will define relevant vocabulary, review the literature on robot ethics as it applies to the military setting, discuss various perspectives in the research community, address levels of UAS autonomy, and discuss implications for operator training, responsibility, and human-machine interaction. Familiarity with these ethical issues and …
Integrating Mammalian Hazards With Management At U.S. Civil Airports: A Case Study., Kristin M. Biondi, Jerrold L. Belant, James A. Martin, Travis L. Devault, Guiming Wang
Integrating Mammalian Hazards With Management At U.S. Civil Airports: A Case Study., Kristin M. Biondi, Jerrold L. Belant, James A. Martin, Travis L. Devault, Guiming Wang
United States Department of Agriculture Wildlife Services: Staff Publications
Wildlife incidents with U.S. civil aircraft cost an estimated $1.4 billion from 1990 to 2010, with mammals 5 times more likely to cause damage than other wildlife. We surveyed 2 general aviation (GA) airports and 6 Part-139 certificated (i.e., certified) airports to assess efficacy of management practices for mammalian species hazardous to aircraft. We obtained information on mammalian species present on airport grounds, types and estimated effectiveness of management techniques, and effort spent on wildlife management. We evaluated management techniques relative to aircraft–wildlife collisions (i.e., incident) frequencies taken from Federal Aviation Administration’s (FAA) National Wildlife Strike Database and species hazard …
Aircraft Tests Arrive At Numbers Pilots Need For Safe Operations, Nihad E. Daidzic
Aircraft Tests Arrive At Numbers Pilots Need For Safe Operations, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
T/O Overruns And Veer-Offs On Slippery Runways With Crosswinds, Nihad E. Daidzic
T/O Overruns And Veer-Offs On Slippery Runways With Crosswinds, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
The Potential Costs To The Dod Of Not Preparing For The Nextgen Nas Overhaul: Lessons Learned From Rvsm, Casey Richardson
The Potential Costs To The Dod Of Not Preparing For The Nextgen Nas Overhaul: Lessons Learned From Rvsm, Casey Richardson
Graduate Student Works
In order to facilitate a significant overhaul of the civilian National Airspace System (NAS), the Federal Aviation Administration (FAA) has partnered with many federal agencies, such as the departments of Transportation (DOT), Defense (DoD), Homeland Security (DHS), and Commerce (DOC) and the National Aeronautics & Space Administration (NASA) through a consolidated Joint Planning and Development Office (JPDO) that was established by Congress in 2003 in the VISION 100 – Century of Aviation Reauthorization Act (JPDO, 2012). The JPDO has proposed replacing the old NAS structure of primarily ground-based navigation with robust satellite-enabled air traffic procedures and to supplement ground-based air …
Development Of A Master Of Software Assurance Reference Curriculum, Andrew J. Kornecki, James Mcdonald, Julia H. Allen, Mark Ardis, Nancy Mead, Richard Linger, Thomas B. Hilburn
Development Of A Master Of Software Assurance Reference Curriculum, Andrew J. Kornecki, James Mcdonald, Julia H. Allen, Mark Ardis, Nancy Mead, Richard Linger, Thomas B. Hilburn
Department of Electrical Engineering and Computer Science - Daytona Beach
The Next Generation Air Traffic Management system (NextGen) is a blueprint of the future National Airspace System. Supporting NextGen is a nation-wide Aviation Simulation Network (ASN), which allows integration of a variety of real-time simulations to facilitate development and validation of the NextGen software by simulating a wide range of operational scenarios. The ASN system is an environment, including both simulated and human-in-the-loop real-life components (pilots and air traffic controllers).Real Time Distributed Simulation (RTDS) developed at Embry-Riddle Aeronautical University, a suite of applications providing low and medium fidelity en-route simulation capabilities, is one of the simulations contributing to the ASN. …
Fault Tree Analysis For Safety/Security Verification In Aviation Software, Andrew J. Kornecki, Mingye Liu
Fault Tree Analysis For Safety/Security Verification In Aviation Software, Andrew J. Kornecki, Mingye Liu
Department of Electrical Engineering and Computer Science - Daytona Beach
The Next Generation Air Traffic Management system (NextGen) is a blueprint of the future National Airspace System. Supporting NextGen is a nation-wide Aviation Simulation Network (ASN), which allows integration of a variety of real-time simulations to facilitate development and validation of the NextGen software by simulating a wide range of operational scenarios. The ASN system is an environment, including both simulated and human-in-the-loop real-life components (pilots and air traffic controllers).Real Time Distributed Simulation (RTDS) developed at Embry-Riddle Aeronautical University, a suite of applications providing low and medium fidelity en-route simulation capabilities, is one of the simulations contributing to the ASN. …
A Systematic Approach For Real-Time Operator Functional State Assessment, Guangfan Zhang, Wei Wang, Aaron Pepe, Roger Xu, Tom Schnell, Nick Anderson, Dean Heitkamp, Jiang Li, Feng Li, Frederick Mckenzie
A Systematic Approach For Real-Time Operator Functional State Assessment, Guangfan Zhang, Wei Wang, Aaron Pepe, Roger Xu, Tom Schnell, Nick Anderson, Dean Heitkamp, Jiang Li, Feng Li, Frederick Mckenzie
Electrical & Computer Engineering Faculty Publications
A task overload condition often leads to high stress for an operator, causing performance degradation and possibly disastrous consequences. Just as dangerous, with automated flight systems, an operator may experience a task underload condition (during the en-route flight phase, for example), becoming easily bored and finding it difficult to maintain sustained attention. When an unexpected event occurs, either internal or external to the automated system, the disengaged operator may neglect, misunderstand, or respond slowly/inappropriately to the situation. In this paper, we discuss an approach for Operator Functional State (OFS) monitoring in a typical aviation environment. A systematic ground truth finding …
Some Considerations For Regional Airline Operations On Contaminated Runways., Nihad E. Daidzic
Some Considerations For Regional Airline Operations On Contaminated Runways., Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Dealing With Contaminated Runways, Nihad E. Daidzic
Dealing With Contaminated Runways, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
A Midsummer Night’S Dream (With Flying Robots), Robin Murphy, Dylan Shell, Amy Guerin, Brittany Duncan, Benjamin Fine, Kevin Pratt, Takis Zourntos
A Midsummer Night’S Dream (With Flying Robots), Robin Murphy, Dylan Shell, Amy Guerin, Brittany Duncan, Benjamin Fine, Kevin Pratt, Takis Zourntos
School of Computing: Faculty Publications
Seven flying robot “fairies” joined human actors in the Texas A&M production of William Shakespeare’s A Midsummer Night’s Dream. The production was a collaboration between the departments of Computer Science and Engineering, Electrical and Computer Engineering, and Theater Arts. The collaboration was motivated by two assertions. First, that the performing arts have principles for creating believable agents that will transfer to robots. Second, the theater is a natural testbed for evaluating the response of untrained human groups (both actors and the audience) to robots interacting with humans in shared spaces, i.e., were believable agents created? The production used two types …
Adverse Elevator Effect In Landing Flare, Nihad E. Daidzic
Adverse Elevator Effect In Landing Flare, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Avoiding Aircraft Icing Accidents, Nihad E. Daidzic
Avoiding Aircraft Icing Accidents, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Avoiding Veer-Off Accidents On Contaminated Runways, Nihad E. Daidzic
Avoiding Veer-Off Accidents On Contaminated Runways, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Chilling Out In The Sim: The Need For Icing Training., Nihad E. Daidzic
Chilling Out In The Sim: The Need For Icing Training., Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
Aircraft Landing Operations On Contaminated Runways, Nihad E. Daidzic
Aircraft Landing Operations On Contaminated Runways, Nihad E. Daidzic
Aviation Department Publications
No abstract provided.
When Go-Around Is Impossible - Defining The Point Of No Return, Nihad E. Daidzic,, Thomas Peterson
When Go-Around Is Impossible - Defining The Point Of No Return, Nihad E. Daidzic,, Thomas Peterson
Aviation Department Publications
No abstract provided.