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
1,269 matches · NASA NTRS
- NASA NTRS 2013 LaRC Conference Paper
Inspection of aging aircraft: A manufacturer's perspective
Douglas, in conjunction with operators and regulators, has established interrelated programs to identify and address issues regarding inspection of aging aircraft.
- NASA NTRS 2013 LaRC Conference Paper
Survey of French activities concerning structural airworthiness and aging aircraft
French activities concerning Structural Airworthiness and Aging Aircraft are presented. A first part is derived to Basic and Applied Research actions while a second one deals with Full-Scale Testing, Tear-down inspection…
- NASA NTRS 2013 LaRC Conference Paper
Current DOT research on the effect of multiple site damage on structural integrity
Multiple site damage (MSD) is a type of cracking that may be found in aging airplanes and which may adversely affect their continuing airworthiness.
- NASA NTRS 2013 GSFC Reprint (Version printed in journal)
Effect of Particle Non-Sphericity on Satellite Monitoring of Drifting Volcanic Ash Clouds
Volcanic eruptions loft gases and ash particles into the atmosphere and produce effects that are both short term (aircraft hazards, interference with satellite measurements) and long term (atmospheric chemistry, climate)…
- NASA NTRS 2013 CDMS Conference Paper
Dense fog on the highway: Visual range monitoring in cars?
This paper reports on the development of a new sensor. Laser range-finders are currently installed in cars and trucks to measure the distance to a proceeding car (LEICA).
- NASA NTRS 2013 LaRC Conference Paper
Transport Canada aging aircraft activities
A description is given of recent initiatives undertaken in Canada to address the problems of aging passenger airplanes. In addition to participation in and support of U.S.
- NASA NTRS 2013 LaRC Conference Paper
Aging aircraft NDI Development and Demonstration Center (AANC): An overview
A major center with emphasis on validation of nondestructive inspection (NDI) techniques for aging aircraft, the Aging Aircraft NDI Development and Demonstration Center (AANC), has been funded by the FAA at Sandia Nation…
- NASA NTRS 2013 LaRC Conference Paper
Maintaining the safety of an aging fleet of aircraft
The current status of the Douglas Aging Fleet is examined in light of increasing concern for the possibility of the onset of widespread cracking and recent industry activity to minimize the concern.
- NASA NTRS 2013 LaRC Conference Paper
The FAA aging airplane program plan for transport aircraft
The FAA Aging Airplane Program is focused on five program areas: maintenance, transport airplanes, commuter airplanes, airplane engines, and research.
- NASA NTRS 2013 LaRC Conference Paper
Current and future developments in civil aircraft non-destructive evaluation from an operator's point of view
In June, 1988, the first International Conference on aging aircraft was held to address nondestructive tests (NDT) of aging aircraft and other issues.
- NASA NTRS 2013 LaRC Conference Paper
Aging commuter aeroplanes: Fatigue evaluation and control methods
The risks associated with old aeroplanes arise in the main from the difficulty of obtaining support from the manufacturer and other skilled people, and from a general loss of reliability caused by wear and other deterior…
- NASA NTRS 2013 LaRC Conference Paper
Analysis of Runway Incursion Data
A statistical analysis of runway incursion (RI) events was conducted to ascertain relevance to the top ten challenges of the National Aeronautics and Space Administration Aviation Safety Program (AvSP).
- NASA NTRS 2011 ARC Conference Paper
Optimal Trajectories for the Helicopter in One-Engine-Inoperative Terminal-Area Operations
This paper presents a summary of a series of recent analytical studies conducted to investigate one-engine-inoperative (OEI) optimal control strategies and the associated optimal trajectories for a twin engine helicopter…
- NASA NTRS 2011 CDMS Other
Safety hazard of aircraft icing
The problem of aircraft icing is reported as well as the type of aircraft affected, the pilots involved, and an identification of the areas where reduction in icing accidents are readily accomplished.
- NASA NTRS 2011 LaRC Conference Paper
Deep-Stall Aerodynamic Characteristics of T-Tail Aircraft
A wind-tunnel research program has been under-taken by the NASA to study the aerodynamic characteristics of T-tail aircraft at high angles of attack.
- NASA NTRS 2011 ARC Conference Paper
Simulator Studies of the Deep Stall
Simulator studies of the deep-stall problem encountered with modern airplanes are discussed. The results indicate that the basic deep-stall tendencies produced by aerodynamic characteristics are augmented by operational …
- NASA NTRS 2011 CDMS Other
Simulator studies of the deep stall
Simulator studies of aircraft deep-stall problem - pitch control problem
- NASA NTRS 2011 LaRC Conference Paper
Large Eddy Simulation of Aircraft Wake Vortices: Atmospheric Turbulence Effects
Crow instability can develop in most atmospheric turbulence levels, however, the ring vortices may not form in extremely strong turbulence cases due to strong dissipation of the vortices.
- NASA NTRS 2011 LaRC Conference Paper
Wake Vortex Encounter Model Validation Experiments
The goal of this current research is to establish a database that validate/calibrate wake encounter analysis methods for fleet-wide application; and measure/document atmospheric effects on wake decay.
- NASA NTRS 2011 CDMS Other
A continuous wave Doppler system for aircraft collision hazard warning
Low-cost pilot indicator for midair collision avoidance
- NASA NTRS 2011 CDMS Other
Factors affecting ditching of new transport airplanes
Ditching behavior of dynamic C-5A model
- NASA NTRS 2011 CDMS Other
Theory of the response of a slender vertical structure to a turbulent wind with shear
Wind shear and turbulence effects on vertical slender structures
- NASA NTRS 2011 CDMS Other
A unified cleaning facility in a Class 100 clean room
Downdraft clean room for cleaning and potting of mechanical and electrical components and various plastics systems
- NASA NTRS 2011 CDMS Conference Paper
Experiments in pilot decision-making during simulated low visibility approaches
A simulation task is reported which incorporates both kinds of variables, informational and psychological, to successfully study pilot decision making behavior in the laboratory.
- NASA NTRS 2011 CDMS Other
Acceleration stress effects on pilot performance and dynamic response
Acceleration stress effects on pilot performance and dynamic response
- NASA NTRS 2011 CDMS Other
PHYSIOLOGICAL INSTRUMENTATION SYSTEMS FOR MONITORING PILOT RESPONSE TO STRESS AT ZERO AND HIGH G
Physiological instrumentation systems for monitoring pilot response to stress at zero and high g
- NASA NTRS 2011 CDMS Other
Flight crew procedures and training
Flight procedures and astronaut training including flight simulation for Gemini missions
- NASA NTRS 2011 GSFC Conference Paper
MU-SPIN Update
Current goals are to: (1) Strengthen the science and engineering capabilities of MU-SPIN institutions in research and education via computer networks; (2) Involve and prepare minority institutions and principal investiga…
- NASA NTRS 2011 CDMS Other
Helicopter engine core noise
Calculated engine core noise levels, based on NASA Lewis prediction procedures, for five representative helicopter engines are compared with measured total helicopter noise levels and ICAO helicopter noise certification …
- NASA NTRS 2011 MSFC Conference Paper
TSS-1R Failure Mode Evaluation
Soon after the break of the tether during the Tethered Satellite System (TSS-1R) mission in February, 1996, a Tiger Team was assembled at the George C. Marshall Space Flight Center to determine the tether failure mode.
- NASA NTRS 2011 CDMS Conference Paper
Damage tolerance research on composite compression panels
The damage tolerance of composites was investigated. Results show that severe degradation in material strength may occur due to impact damage and that reduced strain allowables should be considered to compensate for poss…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Assessing fatigue
Despite impressive advances in aircraft technology over the past several decades and an overall decline in the airline accident rate since the introduction of turbine-powered aircraft, flight crew performance problems co…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Managing fatigue in operational settings. 1: Physiological considerations and countermeasures
The authors consider three aspects of managing fatigue in the workplace. They provide a brief overview of important scientific findings related to sleep and circadian physiology that establish the psychobiological founda…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Circadian rhythms, sleep, and performance in space
Maintaining optimal alertness and neurobehavioral functioning during space operations is critical to enable the National Aeronautics and Space Administration's (NASA's) vision "to extend humanity's reach to the Moon, Mar…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Human versus automation in responding to failures: an expected-value analysis
A simple analytical criterion is provided for deciding whether a human or automation is best for a failure detection task. The method is based on expected-value decision theory in much the same way as is signal detection…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
The evolution of Crew Resource Management training in commercial aviation
In this study, we describe changes in the nature of Crew Resource Management (CRM) training in commercial aviation, including its shift from cockpit to crew resource management.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Behavioral consequences of radiation exposure to simulated space radiation in the C57BL/6 mouse: open field, rotorod, and acoustic startle
Two experiments were carried out to investigate the consequences of exposure to proton radiation, such as might occur for astronauts during space flight.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Subjective response of people to simulated sonic booms in their homes
In order to determine the effect of the number of sonic boom occurrences on annoyance, a computer-based system was developed for studying the subjective response of people to the occurrence of simulated sonic booms in th…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
A spatial disorientation survey of experienced instructor pilots
No abstract available
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Cerebral versus systemic hemodynamics during graded orthostatic stress in humans
BACKGROUND: Orthostatic syncope is usually attributed to cerebral hypoperfusion secondary to systemic hemodynamic collapse. Recent research in patients with neurocardiogenic syncope has suggested that cerebral vasoconstr…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Associations between errors and contributing factors in aircraft maintenance
In recent years cognitive error models have provided insights into the unsafe acts that lead to many accidents in safety-critical environments.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Skills, rules and knowledge in aircraft maintenance: errors in context
Automatic or skill-based behaviour is generally considered to be less prone to error than behaviour directed by conscious control. However, researchers who have applied Rasmussen's skill-rule-knowledge human error framew…
- NASA NTRS 2011 ARC Reprint (Version printed in journal)
Flight Simulator Platform Motion and Air Transport Pilot Training
The influence of flight simulator platform motion on pilot training and performance was examined In two studies utilizing a B-727-200 aircraft simulator.
- NASA NTRS 2011 LaRC Other
National General Aviation Roadmap for a Small Aircraft Transportation System (SATS)
The National Aeronautics and Space Administration (NASA), Federal Aviation Administration, as well as state, industry, and academia partners have joined forces to pursue the NASA National General Aviation Roadmap leading…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Assessment of microburst models for downdraft estimation
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Fatigue in operational settings: Examples from the aviation environment
The need for 24-h operations creates nonstandard and altered work schedules that can lead to cumulative sleep loss and circadian disruption.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Ulysses field and plasma observations of magnetic holes in the solar wind and their relation to mirror-mode structures
The term 'magnetic hole' has been used to denote isolated intervals when the magnitude of the interplanetary magnetic field drops to a few tenths, or less, of its ambient value for a time that corresponds to a linear dim…
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Analysis of accidents during instrument approaches
General aviation and air taxi approach phase accidents, which occurred during VFR and IFR, respectively over the last 25 years, were analyzed.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Effect of ground and ceiling planes on shape of energized wakes
Results are presented from an investigation of the structure of energized wakes in the presence of ground or ceiling planes when powered-lift devices are tested at zero and low wind tunnel velocities.
- NASA NTRS 2011 CDMS Reprint (Version printed in journal)
Turbofan engine demonstration of sensor failure detection
In the paper, the results of a full-scale engine demonstration of a sensor failure detection algorithm are presented. The algorithm detects, isolates, and accommodates sensor failures using analytical redundancy.