Research papers
5,883 papers · NASA NTRS, NTSB, FAA CAMI
NASA NTRS · 1,269 NTSB Safety Studies · 12 NTSB Aircraft Accident Reports · 17 Embry-Riddle Scholarly Commons · 1,993
5,883 matches
- NASA NTRS 2019 CDMS Conference Paper
Identification and dual adaptive control of a turbojet engine
The objective of this paper is to utilize the design methods of modern control theory to realize a 'dual-adaptive' feedback control unit for a highly non-linear single spool airbreathing turbojet engine.
- NASA NTRS 2019 ARC Abstract
U.S. Civil Rotorcraft Accidents, 1963 through 1997
The U.S. National Transportation Safety Board (NTSB) has recorded 8,436 rotorcraft accidents during the period mid - 1963 through the end of 1997.
- NASA NTRS 2019 ARC Abstract
Effect of Surface Traffic Count on Taxi Time at Dallas-Fort Worth (DFW) International Airport
As the amount of air traffic increases over the years, most airports simply do not have the means of expanding to handle the intensified traffic on the surface that will ensue.
- NASA NTRS 2019 KSC Abstract
Weather Research and Forecasting Model Sensitivity Comparisons for Warm Season Convective Initiation
Mesoscale weather conditions can significantly affect the space launch and landing operations at Kennedy Space Center (KSC) and Cape Canaveral Air Force Station (CCAFS).
- NASA NTRS 2019 ARC Abstract
Convective Weather Avoidance with Uncertain Weather Forecasts
Convective weather events have a disruptive impact on air traffic both in terminal area and in en-route airspaces. In order to make sure that the national air transportation system is safe and efficient, it is essential …
- NASA NTRS 2019 MSFC Abstract
Liftoff and Time Equivalent Duration Data Evaluation of Exploration Flight Test 1 Orion Multi-Purpose Crew Vehicle
The liftoff phase induces high acoustic loading over a broad frequency range for a launch vehicle. These external acoustic environments are used in the prediction of the internal vibration responses of the vehicle and co…
- NASA NTRS 2019 ARC Abstract
Evaluating Fatigue in Operational Settings: The NASA Ames Fatigue Countermeasures Program
In response to a 1980 Congressional request, NASA Ames initiated a program to examine fatigue in flight operations. The Program objectives are to examine fatigue, sleep loss, and circadian disruption in flight operations…
- NASA NTRS 2019 ARC Abstract
Fatigue Countermeasures: Alertness Management in Flight Operations
Since 1980, the NASA Ames Fatigue Countermeasures Program has studied the effects and impact of fatigue on flight operations . Sleep loss and circadian disruption are two of the primary physiological factors that underli…
- NASA NTRS 2019 JSC Abstract
Fatigue‐Related Countermeasures for Long‐Duration Exploration Missions
The NASA Human Research Program's (HRP) Behavioral Health and Performance Element (BHP) supports and conducts research to mitigate deleterious outcomes related to fatigue, sleep loss, circadian desynchronization, and wor…
- NASA NTRS 2019 JSC Abstract
Fatigue in U.S. Astronauts Onboard the International Space Station: Environmental Factors, Operational Impacts, and Implementation of Countermeasures
Since 2000, US astronauts have been supporting missions up to a six month duration on the International Space Station (ISS). Crewmembers have experienced fatigue for reasons similar to military deployments.
- NASA NTRS 2019 ARC Abstract
Situational Variables in Expert Pilot Decision Making
In traditional laboratory studies of decision making, the experimenter structures the problem, defines the goal and specifies available information.
- NASA NTRS 2019 ARC Abstract
Stress and Aeronautical Team Decision Making: Strengthening the Weak Links
A model that characterizes pilots'decision making in flight will be presented. Elements of the model that appear most vulnerable to stress will be examined in light of accidents and incidents.
- NASA NTRS 2019 GSFC Abstract
Weighting Statistical Inputs for Data Used to Support Effective Decision Making During Severe Emergency Weather and Environmental Events
National Aeronautical and Space Administration (NASA) weather and atmospheric environmental organizations are insatiable consumers of geophysical, hydrometeorological and solar weather statistics.
- NASA NTRS 2019 ARC Abstract
Task Analytic Models to Guide Analysis and Design: Use of the Operator Function Model to Represent Pilot-Autoflight System Mode Problems
Task-analytic models structure essential information about operator interaction with complex systems, in this case pilot interaction with the autoflight system.
- NASA NTRS 2019 ARC Abstract
Modes in Supervisory Control Systems: Structure and Transitions
Mode confusion is becoming a major drawback in operator interaction with systems that allow for multiple levels of automation. This drawback has manifested itself in several mode related accidents and incidents in commer…
- NASA NTRS 2019 ARC Abstract
Methodology for Examining the Operator and the System Concurrently: Pilot Interaction with Automation
Complex system description is problematic when considering operator task activities interacting with system dynamics. Engineering languages have matured sufficiently to allow machine system description at various levels …
- NASA NTRS 2019 ARC Abstract
Mode Transitions in Glass Cockpit Aircraft: Results of a Field Study
One consequence of increased levels of automation in complex control systems is the presence of modes. A mode is a particular configuration of a control system that defines how human command inputs are interpreted.
- NASA NTRS 2019 KSC Other
Design and Development of Functionally Effective Human-Machine Interfaces for Firing Room Displays
This project involves creating software for support equipment used on the Space l aunch System (SLS). The goal is to create applications and displays that will be used to remotely operate equipment from the firing room a…
- NASA NTRS 2019 ARC Abstract
Informing Rodent Behavior in Space: Gene Expression and Hyper-Emotionality Following Prenatal Stress
As space exploration pushes our boundaries further away from Earth and for longer durations, we will inevitably require the use of multi-generational studies to continue our expansion.
- NASA NTRS 2019 CDMS Conference Paper
Ascent/abort training in the Shuttle Mission Simulator
The Shuttle Mission Simulator is the primary tool employed in the training of orbiter flight crews in ascent and abort flight techniques at the Johnson Space Center.
- NASA NTRS 2019 JSC Other
The Role of Spatial Disorientation in Fatal General Aviation Accidents
In-flight Spatial Disorientation (SD) in pilots is a serious threat to aviation safety. Indeed, SD may play a much larger role in aviation accidents than the approximate 6-8% reported by the National Transportation Safet…
- NASA NTRS 2019 ARC Abstract
Certification of a Modified Research Public Aircraft
NASA Ames Research Center has several aircraft that have been modified to conduct aeronautical and scientific research. NASA's purpose is to provide research to improve safety of flight and support scientific research fo…
- NASA NTRS 2019 GRC Conference Paper
Gas Emissions Acquired during the Aircraft Particle Emission Experiment (APEX) Series
NASA, in collaboration with other US federal agencies, engine/airframe manufacturers, airlines, and airport authorities, recently sponsored a series of 3 ground-based field investigations to examine the particle and gas …
- NASA NTRS 2019 AFRC Abstract
Emergency Flight Control of a Twin-Jet Commercial Aircraft using Manual Throttle Manipulation
The Department of Homeland Security (DHS) created the PCAR (Propulsion-Controlled Aircraft Recovery) project in 2005 to mitigate the ManPADS (man-portable air defense systems) threat to the commercial aircraft fleet with…
- NASA NTRS 2019 ARC Abstract
A Laboratory Glass-Cockpit Flight Simulator for Automation and Communications Research
A laboratory glass-cockpit flight simulator supporting research on advanced commercial flight deck and Air Traffic Control (ATC) automation and communication interfaces has been developed at the Aviation Operations Branc…
- NASA NTRS 2019 ARC Abstract
Differences Training for the Glass Cockpit
This study followed two groups of pilots from a major US air carrier as they went through a transition to advanced technology aircraft.
- NASA NTRS 2019 ARC Abstract
Evaluation of the Terminal Area Precision Scheduling and Spacing System for Performance-Based Navigation Arrivals
The growth of global demand for air transportation has put increasing strain on the nation's air traffic management system. To relieve this strain, the International Civil Aviation Organization has urged all nations to a…
- NASA NTRS 2019 KSC Abstract
Analysis of Rapidly Developing Low Cloud Ceilings in a Stable Environment
Forecasters at the Space Meteorology Group (SMG) issue 30 to 90 minute forecasts for low cloud ceilings at the Space Shuttle Landing Facility (TTS) to support Space Shuttle landings.
- NASA NTRS 2019 ARC Abstract
An Improved UAV-Based Fog Collector for Local-Scale Aerobiological Sampling
The use of unmanned air vehicles (UAVs) to passively collect fog for microbiological analysis is being investigated at NASA Ames, contributing to our understanding of the dynamics and limits of the biosphere.
- NASA NTRS 2019 JSC Abstract
Research to Operations: The Critical Transition
Space Life Sciences Directorate (SLSD) specializes in transitioning technology and knowledge to medical operations. This activity encompasses funding a spectrum of research and technology efforts, such as understanding f…
- NASA NTRS 2019 MSFC Abstract
The Transition of NASA EOS Datasets to WFO Operations: A Model for Future Technology Transfer
The collocation of a National Weather Service (NWS) Forecast Office with atmospheric scientists from NASA/Marshall Space Flight Center (MSFC) in Huntsville, Alabama has afforded a unique opportunity for science sharing a…
- NASA NTRS 2019 ARC Conference Paper
Rotorcraft Flight Dynamics and Controls Research at NASA
In recent years, NASA has invested in key activities in the areas of flight controls, handling qualities and operations of rotorcraft for civilian applications.
- NASA NTRS 2019 ARC Abstract
Helicopter Safety Research
In response to the President's challenge to reduce civil aviation accidents by a factor of 10 by the year 2022, NASA has embarked on an ambitious safety program in partnership with other government agencies and industry.…
- NASA NTRS 2019 ARC Abstract
Alaska Humans Factors Safety Study: The Northern Area
At the request of the Alaska Air Carriers Association, researchers from the NASA Aviation Safety Reporting System, at NASA Ames Research Center, conducted a study on aspects of safety in Alaskan Part 135 air taxi operati…
- NASA NTRS 2019 CDMS Conference Paper
Fatigue crack propagation in aerospace aluminum alloys
This paper reviews fracture mechanics based, damage tolerant characterizations and predictions of fatigue crack growth in aerospace aluminum alloys.
- NASA NTRS 2019 ARC Abstract
Operational Interventions to Maintenance Error
A significant proportion of aviation accidents and incidents are known to be tied to human error. However, research of flight operational errors has shown that so-called pilot error often involves a variety of human fact…
- NASA NTRS 2019 ARC Abstract
Reduction of Maintenance Error Through Focused Interventions
It is well known that a significant proportion of aviation accidents and incidents are tied to human error. In flight operations, research of operational errors has shown that so-called "pilot error" often involves a var…
- NASA NTRS 2019 ARC Abstract
Identifying Human Factors Issues in Aircraft Maintenance Operations
Maintenance operations incidents submitted to the Aviation Safety Reporting System (ASRS) between 1986-1992 were systematically analyzed in order to identify issues relevant to human factors and crew coordination.
- NASA NTRS 2019 ARC Abstract
Analysis of Crew Fatigue in AIA Guantanamo Bay Aviation Accident
Flight operations can engender fatigue, which can affect flight crew performance, vigilance, and mood. The National Transportation Safety Board (NTSB) requested the NASA Fatigue Countermeasures Program to analyze crew fa…
- NASA NTRS 2019 ARC Abstract
Impact of Parallel Computing on Large Scale Aeroelastic Computations
Aeroelasticity is computationally one of the most intensive fields in aerospace engineering. Though over the last three decades the computational speed of supercomputers have substantially increased, they are still inade…
- NASA NTRS 2019 MSFC Abstract
Wetting Angle and Surface Tension of Germanium Melts on Different Substrate Materials
The sessile drop technique has been used to measure the wetting angle and the surface tension of molten germanium (Ge) on various substrate materials.
- NASA NTRS 2019 MSFC Abstract
Determination of the Wetting Angle of Germanium and Germanium-Silicon Melts on Different Substrate Materials
During Bridgman growth of semiconductors detachment of the crystal and the melt meniscus has occasionally been observed, mainly under microgravity (microg) conditions.
- NASA NTRS 2019 MSFC Abstract
Contact Angles and Surface Tension of Germanium-Silicon Melts
Precise knowledge of material parameters is more and more important for improving crystal growth processes. Two important parameters are the contact (wetting) angle and the surface tension, determining meniscus shapes an…
- NASA NTRS 2019 ARC Abstract
Runway Texture and Grid Pattern Effects on Rate-of-Descent Perception
To date, perceptual errors occur in determining descent rate from a computer-generated image in flight simulation. Pilots tend to touch down twice as hard in simulation than in flight, and more training time is needed in…
- NASA NTRS 2019 ARC Conference Paper
Aerodynamic Characterisation of an Experimental Tilt-Wing Aircraft
Computational analysis of experimental aircraft prior to test ights can be a valuable tool to estimate ight characteristics and determine areas of elevated caution.
- NASA NTRS 2019 ARC Presentation
Developing an Adaptable NextGen Interface for the UAS Ground Control Station
Motivation: NextGen traffic infrastructure is in place to support manned aircraft operations. However, the UAS ground control station (GCS) adds a data interface requirement that is not yet fully accounted for in the Nex…
- NASA NTRS 2019 ARC Conference Paper
Enabling Performance-Based Navigation Arrivals: Development and Simulation Testing of the Terminal Sequencing and Spacing System
NASA has developed an advanced arrival management capability for terminal controllers, known as Terminal Sequencing and Spacing (TSS).
- arXiv 2019 ARXIV arXiv preprint
ALFA: A Dataset for UAV Fault and Anomaly Detection
We present a dataset of several fault types in control surfaces of a fixed-wing Unmanned Aerial Vehicle (UAV) for use in Fault Detection and Isolation (FDI) and Anomaly Detection (AD) research.
- NASA NTRS 2019 ARC Conference Paper
Aviation Safety Concerns for the Future
The Future Aviation Safety Team (FAST) is a multidisciplinary international group of aviation professionals that was established to identify possible future aviation safety hazards.
- NASA NTRS 2019 JPL Conference Paper
Addressing the Influence of Space Weather on Airline Navigation
The advent of satellite-based augmentation systems has made it possible to navigate aircraft safely using radio signals emitted by global navigation satellite systems (GNSS) such as the Global Positioning System.