Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 23 for “"flight safety"”.
-
An Analytical Study of the Effects of Age and Experience on Flight Safety
… there are any significant decreases in the safety and effectiveness of pilots by age 60. The data for this study came from records of general aviation accidents (i.e., for private pilots, commercial pilots, and air transport pilots), and airline accidents (Part 121). These accident data were …
-
Pilot Perception of Cockpit Organizational Framework’s Impact on Flight Safety and Subordinate Pilot Behavior
… increase FO willingness to interject to preserve safety. Despite the effectiveness of CRM training programs, there continue to be incidences where subordinate pilots make weak or ineffective attempts to preserve safety.</p> <p>This research investigated commercial and airline transport pilots’ …
-
An adaptive control technology for flight safety in the presence of actuator anomalies and damage
The challenge of achieving safe flight comes into sharp focus in the face of adverse conditions caused by faults, damage, or upsets. When these situations occur, the corresponding uncertainties directly affect the safe operation of the aircraft. A technology that has the potential for enabling a …
-
Civil Aviation English for Pilots: An English Air-ground Communication Course Based on Simulating Videos
… and ATCs is one crucial element that affects flight safety. As a result, with the significant increase of international air service, ICAO decided English as the mandatory language of international civil aviation in the 1950s. According to the English requirement of ICAO, an English proficiency …
-
Convection from laser-scanned ice roughness at multiple accretion vent times.
Ice accretions degrade aircraft flight safety and performance by decreasing the lift and stall angle, increasing the drag, and increasing the aircraft weight. A recent study found that the commonly used realistic ice roughness models did not replicate the convective heat transfer results of one …
-
Predicting General Aviation Pilots’ Weather-related Performance through a Scenario-based Written Assessment
… effectively use these weather products to ensure flight safety. Currently, the literature on aviation weather suggests that there is a gap in both training and assessment strategy for GA pilots. Furthermore, several studies suggest that there needs to be more assessment of weather-related …
-
Helicopter Flight Operational Quality Assurance (HFOQA): Development of HFOQA Analysis Software
<p>Flight Operational Quality Assurance (FOQA), or Flight Data Monitoring (FDM), has benefited flight safety in both fixed-wing and helicopter operations. The relative youth of FOQA programs has resulted in their minimal application among the helicopter fleets of the world; thus, Helicopter FOQA …
-
Development of a Sensor for Inflight Detection of Three-Dimensional Flow Separation on a Wing
… separation on an airplane wing during routine flight operations. A sensor of this type could lead to both improved flight safety and increased performance. It would also contribute to future separation control technologies. A new idea is presented for a sensor that is cost effective, easy to …
-
Engineering applications of electro-rheological fluids
… deals with switching the shape of an airfoil in flight between two different profiles. The purpose of such switching action is to exploit different aerodynamic properties of two different profiles, ultimately leading to a simple design for improved flight safety.
-
Investigating the Effects of the Mission Status Graphics Polar Star Display on Failure Detection Time and Situation Awareness for Mission and System Monitoring in General Aviation Aircraft
… industry has been under severe scrutiny over the safety of flight when cockpit automation is over relied on and when it is under utilized. This double-edged sword raises the question of situation awareness in aviation. With the recent boom in cockpit automation and advanced avionics some fear that …
-
The Impact of the Simulated Digital Data Radio Communication Induced Interference on Voice Radio Communication
… on voice radio communications could jeopardize flight safety. The masking of parts of important information would result in distracted attention, debilitated cognitive performance, high level of annoyance, and stress. The goal of the proposed experiment was to examine the degree to which such …
-
Human Factors Contributing to Unstabilized Approaches and Landings in Commercial Aviation Incidents: An Analysis of ASRS Reports
… 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. …
-
An Airspace Planning and Collaborative Decision Making Model Under Safety, Workload, and Equity Considerations
… (NAS) capacity by 30 percent. Given a set of flights that must be scheduled during some planning horizon, we use a mixed-integer programming formulation to select a set of flight plans from among alternatives subject to flight safety, air traffic control workload, and airline equity …
-
Investigation of Methods and Devices for Active Thrust Profile Control in Hybrid Rocket Engines through Oxidiser Flow Management
… profile is a key advantage of HREs, influencing flight safety, stability, and operational, environmental, and economic factors. By controlling the oxidiser flow into the combustion chamber, the thrust profile of HREs can be tailored to meet specific mission requirements. This study designs both …
-
Factors That Influence Pilot Usage of Flight Following
… most of which occur in day time VFR conditions. Flight following, a free service to VFR aircraft, is a tool to help pilots with collision avoidance. This study used an interview process to investigate factors that influence pilot usage of flight following. The study was able to use a quantitative …
-
Mathematical optimization methods for aircraft conflict resolution in air traffic control
… obtain optimal aircraft trajectories to ensure flight safety in the short-term by solving optimization problems. During cruise stage, separation conditions require a minimum of 5 Nautical Miles (NM) horizontally or 1000 feet (ft) vertically between any pair of aircraft. A conflict between two or …
-
A Modeling and Simulation Approach to the Small Aircraft Transportation System: Assessing Midair Conflict Potential Under the Free Flight Paradigm
… 2005 in Danville, VA with a highly publicized flight demonstration and exposition serving as the SATS proof of concept. The "Highways-in-the-Sky" (HITS) premise inherent to SATS is arguably its biggest enabler, and it depends heavily on the idea of free flight. HITS will potentially be the …
-
Automated High-quality Image Acquisition for UAV-enabled Bridge Visual Inspection
… photogrammetry constraints, and UAV flight safety considerations. Secondly, to enable UAV autonomous navigation in GPS-denied bridge areas, a new low-cost UAV localisation method was proposed for estimating the UAV’s global location in areas underneath bridge girders. This method …
-
OnBoard Parameter Identification for a Small UAV
One of the main research focus areas of the WVU Flight Control Systems Laboratory (FCSL) is the increase of flight safety through the implementation of fault tolerant control laws. For some fault tolerant flight control approaches with adaptive control laws, the availability of accurate post …
-
Computational Prediction of Stall Aerodynamics and Evaluation of Ground Effect for a Generic Transport Aircraft
Flight safety of modern transport aviation depends to a large extent on the skills of the pilot in dealing with manual aircraft control in critical Flight situations.According to Boeing's document " Statistical Summary of Commercial Jet Air-plane Accidents, Worldwide Operations (1959-2016)" about …
Page 1 of 2