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FAA William J. Hughes Technical Center for Advanced Aerospace

rosaP Repository & Open Science Access Portal

Technical reports, Tech Notes, and articles that document the FAA’s applied research, engineering, testing and evaluation, and resulting scientific solutions addressing current and future air transportation challenges in collaboration with industry, academia, and other government partners. For more content, visit the FAA Technical Library https://www.faa.gov/about/office_org/headquarters_offices/ang/library/. Bookmark this collection:https://rosap.ntl.bts.gov/collection_faa_tl or https://doi.org/10.21949/1530830.

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Showing 181 - 200 of 1051 results
  • A Digital Imaging Technique to Measure Temperatures and Soot Concentrations in Flames of Condensed Phase Fuels
    A Digital Imaging Technique to Measure Temperatures and Soot Concentrations in Flames of Condensed Phase Fuels
    Guo, Haiqing ;
    Lyon, Richard E.
    2021-12-01 | PDF
    Knowing fire temperature and soot concentration in a fire is very important in fire safety research. The fire radiant energy, a function of fire temperature and soot concentration, contributes about 40% of energy loss to the walls of the Ohio State University (OSU) fire calorimeter during the burning of large area cabin materials. This report prese ...
  • Neural Network Based Runway Landing Guidance for General Aviation Autoland
    Neural Network Based Runway Landing Guidance for General Aviation Autoland
    Balduzzi, Giovanni ;
    Ferrari Bravo, Martino
    2021-11-27 | PDF
    The results of a year-long research project on a vision-based runway landing guidance system based on Artificial Intelligence / Machine Learning / Neural Networks are presented in this report. An in-depth presentation of the system is provided, followed by an analysis of its performance on flight tests and through the W-shaped process for learning ...
  • Minimizing Risk of Bird Strike to Rotorcraft
    Minimizing Risk of Bird Strike to Rotorcraft
    Ronning, Donald J
    2021-11-03 | PDF
    This research presents a set of investigation results of a prototype (PAR46 size) landing light that incorporated ultraviolet light emitting diodes (UVLEDs) in ‘real-world’ flight conditions for the benefit of Bird Strike Mitigation for Rotorcraft. The research measured the effectiveness of using a prototype Bird UVLEDs integrated into a PAR46 land ...
  • The InCloud Icing and LargeDrop Experiment Science and Operations Plan
    The In-Cloud Icing and Large-Drop Experiment Science and Operations Plan
    Bernstein, Ben ;
    DiVito, Stephanie
    2021-11-01 | PDF
    This document provides an in-depth description of the scientific and technical objectives of, and the operations planning for “ICICLE” (the In-Cloud Icing and Large-drop Experiment). ICICLE was conducted between late January and early March of 2019 in an effort to: 1) further advance the understanding of meteorological processes related to the prod ...
  • Pavement Data Analytics for Collected Sensor Data
    Pavement Data Analytics for Collected Sensor Data
    Gungor, Osman Erman ;
    Al-Qadi, Imad L
    2021-10-01 | PDF
    The Federal Aviation Administration instrumented four concrete slabs of a taxiway at the John F. Kennedy International Airport to collect pavement responses under aircraft and environmental loading. The study started with developing preprocessing scripts to organize, structure, and clean the collected data. As a result of the preprocessing step, th ...
  • Application of Machine Learning Techniques to Pavement Performance Modeling
    Application of Machine Learning Techniques to Pavement Performance Modeling
    Ashtiani, Ali Z
    2021-10-01 | PDF
    The Federal Aviation Administration (FAA) has initiated research to develop models of long-term airport pavement performance that can be incorporated into a methodology for extended-life pavement design. This report includes a review of machine learning (ML) techniques for prediction of long-term pavement performance. The study examined applicabili ...
  • 2021 Summer Experiment Graphical Forecasts for Aviation GFA Alaska Expanded Coverage Final Results
    2021 Summer Experiment Graphical Forecasts for Aviation (GFA) Alaska Expanded Coverage Final Results
    United States. Department of Transportation. Federal Aviation Administration. Aviation Weather Demonstration and Evaluation (AWDE)  ...
    2021-10-01 | PDF
    National Oceanic and Atmospheric Administration’s (NOAA) Aviation Weather Center Testbed (AWT) conducted the 2021 Virtual Summer Experiment June 1 –September 30, 2021.
  • Aluminum 2024T351 Input Parameters for MAT_224 in LSDYNA Part4 Ballistic Impact Simulations of a Titanium 6Al4V Generic Fan Blade Fragment on an Aluminum 2024 Panel Using MAT_224 in LSDYNA
    Aluminum 2024-T351 Input Parameters for *MAT_224 in LS-DYNA Part4: Ballistic Impact Simulations of a Titanium 6Al-4V Generic Fan Blade Fragment on an Aluminum 2024 Panel Using *MAT_224 in LS-DYNA
    Park, Chung-Kyu ;
    Carney, Kelly
    2021-09-01 | PDF
    As a part of the FAA’s Aircraft Catastrophic Failure Prevention Program, advanced material models have been developed to improve the numerical modeling of turbine engine blade-out events. In this effort, NASA conducted four ballistic impact tests on large flat Aluminum 2024 panels with a blade-shaped Titanium 6Al-4V projectile to provide experiment ...
  • Temperature Responses of Partially Restrained Airfield Rigid Pavement
    Temperature Responses of Partially Restrained Airfield Rigid Pavement
    Al-Qadi, Imad L ;
    Hernandez, J
    2021-09-01 | PDF
    Joint quality affects stresses and deflections, which result from gear and environmental loading, and, hence, short- and long-term performance of rigid pavements. More specifically, multiple researchers have shown that looseness of dowel bars greatly affects responses of Portland cement concrete (PCC) pavement and its performance due to the reducti ...
  • Federal Aviation Administration Joint University Program for Air Transportation Research 2020 Status Report
    Federal Aviation Administration Joint University Program for Air Transportation Research 2020 Status Report
    Ahlstrom, Vicki
    2021-09-01 | PDF
    This report describes and summarizes the research conducted during the 2020 calendar year under the Federal Aviation Administration (FAA) sponsored Joint University Program for Air Transportation Research (JUP). The JUP is a coordinated set of grants sponsored by the FAA currently with the Massachusetts Institute of Technology (MIT) and Ohio Univer ...
  • Bonded Repairs to Composite Wing Panel Structure Phase 3Bonded Repair Size Limits Study for Solid Laminates with FullDepth and PartialDepth Scarf Configurations
    Bonded Repairs to Composite Wing Panel Structure: Phase 3—Bonded Repair Size Limits Study for Solid Laminates with Full-Depth and Partial-Depth Scarf Configurations
    Neel, Ryan J ;
    Chadha, Reewanshu
    2021-07-01 | PDF
    In a collaborative effort, the Federal Aviation Administration (FAA) and The Boeing Company are assessing bonded repair technologies of composite panels representative of transport airplane wing structures through test and analysis using the FAA’s Aircraft Beam Structural Test (ABST) fixture. Emphasis has been placed on investigating methods and to ...
  • Bondrelated Aircraft AccidentsIncidents A Review
    Bond-related Aircraft Accidents/Incidents: A Review
    Momm, Guilherme G ;
    Ilcewicz, Larry
    2021-07-01 | PDF
    This work surveyed aircraft accidents/incidents in which a bond failure was a contributing factor. This survey was used to identify potential shortfalls in the certification of bonded structures. We reviewed, summarized, and compiled investigation reports, safety recommendations, and airworthiness directives associated with bond failure-related eve ...
  • Visibility Estimation Through Image Analytics User Assessment Results
    Visibility Estimation Through Image Analytics User Assessment Results
    United States. Department of Transportation. Federal Aviation Administration. Aviation Weather Demonstration and Evaluation (AWDE)  ...
    2021-06-29 | PDF
    The weather cameras have provided additional observations and are used routinely by pilots, dispatchers, meteorologists, and FAA Flight Service Specialist*. However, current camera limitations include limited to no use during nighttime conditions and the need for human interpretation of conditions presented on the cameras which adds to user workloa ...
  • Runway Incursion Mitigation Fiscal Year 2020 Annual Summary Report
    Runway Incursion Mitigation Fiscal Year 2020 Annual Summary Report
    Vitagliano, Lauren ;
    Debban, Steven
    2021-04-01 | PDF
    The Federal Aviation Administration (FAA) defines a runway incursion (RI) as “any occurrence at an aerodrome involving the incorrect presence of an aircraft, vehicle, or person on the protected area of a surface designated for the landing and takeoff of aircraft.” These occurrences, including wrong runway landings and takeoffs, remain a top airport ...
  • Developing Methods of Compliance for eVTOL Vehicles Phase 1 Final Report
    Developing Methods of Compliance for eVTOL Vehicles, Phase 1 Final Report
    Klyde, D H ;
    Pitoniak, S P
    2021-03-01 | PDF
    The development of new air vehicles (e.g., personal air vehicles, urban taxis, etc.) has led to a proliferation of Vertical Takeoff and Landing (VTOL) vehicle concepts including electric vehicles, many of which are well funded and are in various stages of prototype development and test. The processes and requirements needed to certify these dispara ...
  • Assessment of Emerging Metallic Structures Technologies through Test and Analysis of Fuselage Structure Test Panel 1
    Assessment of Emerging Metallic Structures Technologies through Test and Analysis of Fuselage Structure: Test Panel 1
    Tian, Yongzhe ;
    Stanley, Dave
    2021-02-05 | PDF
    In partnership with Arconic and Embraer, the Federal Aviation Administration (FAA) is assessing emerging metallic structures technologies (EMST) using the FAA’s Full-Scale Aircraft Structural Test Evaluation and Research (FASTER) facility. In this collaborative effort, full-scale fuselage panel test data will be obtained to assess the effect of EMS ...
  • Certification Analysis Using the Uncontained Engine Debris Damage Assessment Model UEDDAM
    Certification Analysis Using the Uncontained Engine Debris Damage Assessment Model (UEDDAM)
    Phifer, Ellen
    2021-02-01 | PDF
    This report documents how to use the Uncontained Engine Debris Damage Assessment Model (UEDDAM) to perform rotor burst hazard analyses in support of aircraft design and certification activities. Using a generic twin-engine aircraft as a case study, general guidance and recommended processes are provided on the use and function of UEDDAM in aircraft ...
  • Wildlife Strikes to Civil Aircraft in the United States 19902019
    Wildlife Strikes to Civil Aircraft in the United States, 1990–2019
    Dolbeer, Richard A. ;
    Begier, Michael J.
    2021-02-01 | PDF
    Aircraft collisions with birds and other wildlife (wildlife strikes) have become a growing concern for aviation safety in recent years. Factors that contribute to this threat are increasing populations of large birds and increased air traffic by quieter, turbofan-powered aircraft. Globally, wildlife strikes killed more than 292 people and destroyed ...
  • Effect of Disinfectants on Aircraft Seating Materials
    Effect of Disinfectants on Aircraft Seating Materials
    2021-01-01 | PDF
    No Description
  • Analysis of the Neighborhood Environmental Survey
    Analysis of the Neighborhood Environmental Survey
    2021-01-01 | PDF
    No Description
181 - 200 / 1051