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 ARC Presentation
UAS Integration into the US National Airspace
This is an overview of UAS Integration into the National Airspace, with a focus on UTM as solution.
- NASA NTRS 2019 ARC Conference Paper
Enabling Airspace Integration for High-Density On-Demand Mobility Operations
Aviation technologies and concepts have reached a level of maturity that may soon enable an era of on-demand mobility (ODM) fueled by quiet, efficient, and largely automated air taxis.
- NASA NTRS 2019 ARC Presentation
Enabling Airspace Integration for High-Density On-Demand Mobility Operations
Aviation technologies and concepts have reached a level of maturity that may soon enable an era of on-demand mobility (ODM) fueled by quiet, efficient, and largely automated air taxis.
- NASA NTRS 2019 GRC Conference Paper
Frequency Spectrum for Integration of Unmanned Aircraft
The goal of enabling the integration of unmanned aircraft systems (UAS) into the National Airspace System (NAS) in terms of UAS achieving routine access to the NAS has been established as a national goal in the United St…
- NASA NTRS 2019 AFRC Presentation
Unmanned Aircraft: A Pilot's Perspective
Conference presentation sharing aspects of basic human factors engineering applied to aviation and unmanned aircraft systems from the pilot's perspective
- NASA NTRS 2019 ARC Presentation
Unmanned Aircraft Systems (UAS) Integration in the National Airspace System (NAS) Project
This presentation summarizes the simulation work conducted by the Unmanned Aircraft Systems (UAS) Integration in the National Airspace System (NAS) Project.
- NASA NTRS 2019 ARC Conference Paper
Influence of UAS Pilot Communication and Execution Delay on Controller's Acceptability Ratings of UAS-ATC Interactions
Successful integration of UAS in the NAS will require that UAS interactions with the air traffic management system be similar to interactions between manned aircraft and air traffic management.
- NASA NTRS 2019 ARC Conference Paper
Playbook for UAS: UX of Goal-Oriented Planning & Execution
We are evaluating Playbook for CASAS (Connected Autonomous Smart Aerospace Systems), a tool designed to aid first responders in disaster relief efforts.
- NASA NTRS 2019 ARC Presentation
Unmanned Aerial Systems (UAS): Evolving Trends
Near-term Goal: Enable initial low-altitude airspace and UAS operations with demonstrated safety as early as possible, within 5 years; Long-term Goal: Accommodate increased UAS operations with highest safety, efficiency,…
- NASA NTRS 2019 ARC Presentation
Flight Test Evaluation of an Unmanned Aircraft System Traffic Management (UTM) Concept for Multiple Beyond-Visual-Line-of-Sight (BVLOS) Operations
This study evaluates a traffic management concept designed to enable simultaneous operations of multiple small unmanned aircraft systems (UAS) in the national airspace system (NAS).
- NASA NTRS 2019 ARC Conference Paper
Flight Test Evaluation of an Unmanned Aircraft System Traffic Management (UTM) Concept for Multiple Beyond-Visual-Line-of-Sight Operations
This study evaluates a traffic management concept designed to enable simultaneous operations of multiple small unmanned aircraft systems (UAS) in the national airspace system (NAS).
- NASA NTRS 2019 ARC Conference Paper
Transitioning Resolution Responsibility between the Controller and Automation Team in Simulated NextGen Separation Assurance
As part of an ongoing research effort on separation assurance and functional allocation in NextGen, a controller- in-the-loop study with ground-based automation was conducted at NASA Ames' Airspace Operations Laboratory …
- NASA NTRS 2019 LaRC Conference Paper
Head-Worn Displays for NextGen
The operating concepts emerging under the Next Generation air transportation system (NextGen) require new technology and procedures - not only on the ground-side - but also on the flight deck.
- NASA NTRS 2019 ARC Conference Paper
NextGen Operations in a Simulated NY Area Airspace
A human-in-the-loop simulation conducted in the Airspace Operations Laboratory (AOL) at NASA Ames Research Center explored the feasibility of a Next Generation Air Transportation System (NextGen) solution to address airs…
- NASA NTRS 2019 ARC Conference Paper
NextGen Flight Deck Surface Trajectory-Based Operations (STBO): Contingency Holds
The purpose of this pilot-in-the-loop taxi simulation was to investigate a NextGen Surface Trajectory-Based Operations (STBO) concept called "contingency holds." The contingency-hold concept parses a taxi route into segm…
- NASA NTRS 2019 ARC Presentation
Airspace Systems Program - NextGen Concepts and Technology Development (CTD) Project NextGen Systems Analysis, Integration, and Evaluation (SAIE) Project
Overview presentation of the Airspace Systems Program two NextGen projects.
- NASA NTRS 2019 ARC Presentation
Overview of Research Transition Products
Demonstrate increased, more consistent use of Performance‐ Based Navigation (PBN). Accelerate transfer of NASA scheduling and spacing technologies for inclusion in late mid‐term NAS.
- NASA NTRS 2019 CDMS Conference Proceedings
NASA/FAA Helicopter ATC simulation investigation of RNAV/MLS instrument approaches
The NASA/FAA Helicopter Air Traffic Control (ATC) simulation investigations to determine the feasibility of simultaneous, independent instrument approach procedures for helicopters at major terminal areas, using Area Nav…
- NASA NTRS 2019 CDMS Conference Paper
Description and flight performance of two systems for two-segment approach
This paper describes two different avionic systems which were designed and developed to provide guidance and control for two-segment noise abatement approaches.
- NASA NTRS 2019 CDMS Conference Paper
Real-time simulation of helicopter IFR approaches into major terminal areas using RNAV, MLS, and CDTI
Helicopter IFR routes at hub airports have been investigated in an air-traffic-control system simulation involving a piloted helicopter simulator, computer-generated air traffic, and air traffic controllers.
- NASA NTRS 2019 GRC Presentation
NASA,FAA,ONERA Swept-Wing Icing and Aerodynamics: Summary of Research and Current Status
NASA, FAA, ONERA, and other partner organizations have embarked on a significant, collaborative research effort to address the technical challenges associated with icing on large scale, three-dimensional swept wings.
- NASA NTRS 2019 GRC Presentation
Ice Accretion Test Results for Three Large-Scale Swept-Wing Models in the NASA Icing Research Tunnel
The design and certification of modern transport airplanes for flight in icing conditions increasing relies on three-dimensional numerical simulation tools for ice accretion prediction.
- NASA NTRS 2019 GRC Technical Memorandum (TM)
Mixed-Phase Icing Simulation and Testing at the Cox Icing Wind Tunnel
A new capability was developed for indoor simulation of snow and mixed-phase icing conditions. This capability is useful for year-round testing in the Cox closed-loop Icing Wind Tunnel.
- NASA NTRS 2019 JPL Conference Paper
Automatic Estimation of Volcanic Ash Plume Height using WorldView-2 Imagery
We explore the use of machine learning, computer vision, and pattern recognition techniques to automatically identify volcanic ash plumes and plume shadows, in WorldView-2 imagery.
- NASA NTRS 2019 GRC Presentation
The Hazard of Volcanic Ash Ingestion
A research team of U.S. Government agencies and engine manufacturers conducted an experiment to test volcanic-ash ingestion by a NASA owned engine in the same family as the PW 2000 that was donated by the U.S.
- NASA NTRS 2019 GRC Presentation
Multi-Partner Experiment to Test Volcanic-Ash Ingestion by a Jet Engine
A research team of U.S. Government agencies and engine manufacturers are designing an experiment to test volcanic-ash ingestion by a NASA owned F117 engine that was donated by the U.S. Air Force.
- NASA NTRS 2019 GSFC Conference Paper
Real Time Volcanic Cloud Products and Predictions for Aviation Alerts
Volcanic eruptions can inject significant amounts of sulfur dioxide (SO2) and volcanic ash into the atmosphere, posing a substantial risk to aviation safety.
- NASA NTRS 2019 GRC Technical Memorandum (TM)
A Review of Engine Seal Performance and Requirements for Current and Future Army Engine Platforms
Sand ingestion continues to impact combat ground and air vehicles in military operations in the Middle East. The T-700 engine used in Apache and Blackhawk helicopters has been subjected to increased overhauls due to sand…
- NASA NTRS 2019 GRC Presentation
CMAS Interactions with Advanced Environmental Barrier Coatings Deposited via Plasma Spray- Physical Vapor Deposition
Materials for advanced turbine engines are expected to have temperature capabilities in the range of 1370-1500C. At these temperatures the ingestion of sand and dust particulate can result in the formation of corrosive g…
- NASA NTRS 2019 CDMS Conference Proceedings
Low-visibility visual simulation with real fog
An environmental fog simulation (EFS) attachment was developed to aid in the study of natural low-visibility visual cues and subsequently used to examine the realism effect upon the aircraft simulator visual scene.
- NASA NTRS 2019 ARC Reprint (Version printed in journal)
Low-Visibility Visual Simulation with Real Fog
An environmental fog simulation (EFS) attachment was developed to aid in the study of natural low-visibility visual cues and subsequently used to examine the realism effect upon the aircraft simulator visual scene.
- NASA NTRS 2019 LaRC Conference Paper
Flight Deck Technologies to Enable NextGen Low Visibility Surface Operations
Many key capabilities are being identified to enable Next Generation Air Transportation System (NextGen), including the concept of Equivalent Visual Operations (EVO) .
- NASA NTRS 2019 CDMS Conference Paper
A head-up display for low-visibility approach and landing
An electronic flight-guidance display format was designed for use in evaluations of the collimated head-up display concept in low-visibility landings of transport aircraft.
- NASA NTRS 2019 LaRC Preprint (Draft being sent to journal)
Convectively Induced Turbulence Encountered During NASA's Fall-2000 Flight Experiments
Aircraft encounters with atmospheric turbulence are a leading cause of in-flight injuries aboard commercial airliners and cost the airlines millions of dollars each year.
- NASA NTRS 2019 CDMS Conference Paper
Fog dispersion
A study of economically viable techniques for dispersing warm fog at commercial airports is presented. Five fog dispersion techniques are examined: evaporation suppression, downwash, mixing, seeding with hygroscopic mate…
- 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 GRC Conference Paper
System Analysis and Performance Benefits of an Optimized Rotorcraft Propulsion System
The propulsion system of rotorcraft vehicles is the most critical system to the vehicle in terms of safety and performance. The propulsion system must provide both vertical lift and forward flight propulsion during the e…
- NASA NTRS 2019 CDMS Conference Paper
Visual cues to geographical orientation during low-level flight
A field study of an operational Emergency Medical Service (EMS) unit was conducted to investigate the relationships among geographical orientation, pilot decision making, and workload in EMS flights.
- NASA NTRS 2019 CDMS Conference Proceedings
Emergency Medical Service (EMS): Rotorcraft Technology Workshop
A lead organization on the national level should be designated to establish concepts, locations, and the number of shock trauma air medical services.
- NASA NTRS 2019 LaRC Conference Proceedings
Selected Papers and Presentations Presented at MODSIM World 2010 Conference and Expo
MODSIM World 2010 was held in Hampton, Virginia, October 13-15, 2010. The theme of the 2010 conference & expo was "21st Century Decision-Making: The Art of Modeling& Simulation".
- NASA NTRS 2019 LaRC Conference Paper
Simulation Modeling Requirements for Loss-of-Control Accident Prevention of Turboprop Transport Aircraft
In-flight loss of control remains the leading contributor to aviation accident fatalities, with stall upsets being the leading causal factor. The February 12, 2009.
- NASA NTRS 2019 CDMS Conference Paper
General aviation turbine engine /GATE/ concepts
The paper deals with only a portion of the work done by Williams Research Corporation for NASA. It provides a look at possible new-generation powerplants that offer the potential for remarkable airplane performance gains…
- NASA NTRS 2019 CDMS Conference Paper
Technical highlights in general aviation
Improvements in performance, safety, efficiency, and emissions control in general aviation craft are reviewed. While change is slow, the U.S.
- NASA NTRS 2019 JPL Preprint (Draft being sent to journal)
Frequency Dependence of Single-Event Upset in Highly Advanced PowerPC Microprocessors
Single-event upset effects from heavy ions were measured for Motorola silicon-on-insulator (SOI) microprocessor with 90 nm feature sizes at three frequencies of 500, 1066 and 1600 MHz.
- NASA NTRS 2019 JPL Conference Paper
Predicting and Measuring System Error Rates for Designs Incorporating Upset Mitigation based on Triple Modular Redundancy
This viewgraph presentation reviews the basics of single event upset mitigation, triple-module redundancy (TMR), new "fitting" equation for TMR, and examples of application to real data.
- NASA NTRS 2019 JPL Conference Paper
Frequency Dependence of Single-event Upset in Advanced Commerical PowerPC Microprocessors
This paper examines single-event upsets in advanced commercial SOI microprocessors in a dynamic mode, studying SEU sensitivity of General Purpose Registers (GPRs) with clock frequency.
- NASA NTRS 2019 JPL Conference Paper
Tradeoffs in Flight Design Upset Mitigation in State of the Art FPGAs: Hardened by Design vs. Design Level Hardening
This presentation compares and contrasts the effectiveness and the system/designer impacts of the two main approaches to upset hardening: the Actel approach (RTSX-S and RTAX-S) of low-level (inside each flip-flop) tripli…
- NASA NTRS 2019 JPL Conference Paper
Single-event upset in highly scaled commercial silicon-on-insulator PowerPc microprocessors
Single event upset effects from heavy ions are measured for Motorola and IBM silicon-on-insulator (SOI) microprocessors with different feature sizes, and core voltages.
- NASA NTRS 2019 LaRC Conference Paper
High Speed Mobility Through On-Demand Aviation
Game changing advances come about by the introduction of new technologies at a time when societal needs create the opportunity for new market solutions.
- NASA NTRS 2019 GRC Preprint (Draft being sent to journal)
The NASA Aviation Safety Program: Overview
In 1997, the United States set a national goal to reduce the fatal accident rate for aviation by 80% within ten years based on the recommendations by the Presidential Commission on Aviation Safety and Security.