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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 141 - 160 of 603 results
  • Effect of Active Cargo Containers on Aircraft Smoke Transport
    Effect of Active Cargo Containers on Aircraft Smoke Transport
    Ferraro, Andrew
    2022-08-01 | PDF
    A simulated model of a full-sized aircraft cargo compartment was used to determine the effect of active cargo containers. Physical testing in conjunction with the simulated cargo compartment was used to validate the accuracy of the Fire Dynamics Simulator model which included an artificial smoke generator. The artificial smoke generator is currentl ...
  • Results for the 2022 Summer Experiment on the Experimental Graphical Forecasts for Aviation GFA
    Results for the 2022 Summer Experiment on the Experimental Graphical Forecasts for Aviation (GFA)
    United States. Department of Transportation. Federal Aviation Administration. Aviation Weather Demonstration and Evaluation (AWDE)  ...
    2022-08-01 | PDF
    The National Oceanic and Atmospheric Administration’s (NOAA)Aviation Weather Center Testbed (AWT) conducted the 2022 Virtual Summer Experiment May-June 2022.AWT combined the capabilities of the Graphical Forecast for Aviation (GFA) and the Helicopter Emergency Management Services (HEMS) tool into the experimental GFA. The experimental GFA tool cont ...
  • An Analysis of State of Charge in Lithiumion Batteries
    An Analysis of State of Charge in Lithium-ion Batteries
    Keslar, Daniel
    2022-07-01 | PDF
    In February 2022, a package containing 140 lithium-ion pouch cells caught fire on a conveyor belt in a sort facility of an all-cargo airline. One of the packages in the shipment was sent to the Federal Aviation Administration’s (FAA) William J. Hughes Technical Center for hazard evaluation. Specialized cell analysis equipment was used to determine ...
  • Bonded Repairs of Composite Wing Panel Structure Phase 3 Bonded Repair Size Limits Study for Solid Laminates with DoubleSided Scarf Panels
    Bonded Repairs of Composite Wing Panel Structure: Phase 3, Bonded Repair Size Limits Study for Solid Laminates with Double-Sided Scarf Panels
    Chadha, Reewanshu ;
    Labik, Tim M
    2022-06-01 | 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 ...
  • Research on Lightning Strike of Composite Structures
    Research on Lightning Strike of Composite Structures
    Gonzalez, Alyssa ;
    Khajehpour, Rebeka
    2022-06-01 | PDF
    As aircraft industry moves from traditional metal construction to advanced composite materials, there is a concern that current techniques used to detect lightning-caused sparks within fuel tanks may ignite fuel vapor due to the difference in physics involved. Existing standard SAE Aerospace Recommended Practice (ARP) 5416A defines two test methods ...
  • The Influence of Strain Rate Temperature Effects and Instabilities in Failure Modeling for Metal Alloys
    The Influence of Strain Rate, Temperature Effects, and Instabilities in Failure Modeling for Metal Alloys
    Dolci, Stefano
    ORCID ICON IMG
    2022-06-01 | PDF
    To improve the survivability of structures it is important to understand the dynamic failure behavior under impact loading. Impact tests have revealed that mode of failure on metal superalloys thick plate at high-speed impact is what is known as Adiabatic shear band (ASB). The tabulated J-C material model is the current state of the art for FEM of ...
  • Evaluation of Lithium Battery Thermal Runaway Vent Gas Combustion
    Evaluation of Lithium Battery Thermal Runaway Vent Gas Combustion
    Karp, Matthew ;
    Sica, Joseph
    2022-06-01 | PDF
    This research seeks to support the United Nations (UN) Subcommittee of Experts on the Transport of Dangerous Goods (SCOE TDG) establish a more performance-based approach to classifying the various types of lithium-ion batteries for transportation. A proposed standardized test method was used to assess the combustion hazard from a lithium-ion batter ...
  • Rotorcraft Strike Avoidance System Using Airborne Avian Radar
    Rotorcraft Strike Avoidance System Using Airborne Avian Radar
    Piesinger, Greg ;
    Vandenbout, Dave
    2022-06-01 | PDF
    A research and development (R&D) proof-of-concept airborne avian radar to detect birds and other targets ahead of a rotorcraft was designed, constructed, and ground tested. The radar was designed to provide collision warning out to 1500 meters day or night in haze, fog, or rain. Its principal of operation was to use a single forward-looking antenna ...
  • Effects of New Jet Fuel Exposure on Aerospace Composites Phase 1 Final Report
    Effects of New Jet Fuel Exposure on Aerospace Composites – Phase 1 Final Report
    Harich, Naoufal ;
    Bassou, Rania
    2022-06-01 | PDF
    Composite materials are increasingly used in the aerospace industry as an alternative to metals, primarily due to their high specific mechanical properties (stiffness, strength, etc.), and tailorability. These materials can be subjected to different types of aeronautical fluids during their lifetime. These composites’ exposure to organic fluids suc ...
  • Visual 3D Weather Display for Preflight Planning
    Visual 3D Weather Display for Preflight Planning
    Krimins, Ethan
    2022-05-17 | PDF
    Most General Aviation (GA) pilots cannot accurately measure visibility in flight and therefore adhering to FAA regulations for Visual Flight Rules (e.g., 3 miles visibility) is often unachievable and unrealistic. This difficulty is not just technological, pilots without meteorological expertise struggle in pre-flight planning to interpret complex, ...
  • T800F3900 Composite Stacked Ply Laminate Testing and Modeling Using MAT_213
    T800-F3900 Composite Stacked Ply Laminate Testing and Modeling Using MAT_213
    Holt, Nathan ;
    Khaled, Bilal
    2022-05-01 | PDF
    Simulating uncontained engine fragment impact to composite aircraft structures requires material models, which can accurately account for the deformation, damage, and failure experienced during these highly dynamic events. The FAA Aircraft Catastrophic Failure Prevention Program sponsored the development of a new material model known as MAT_213 to ...
  • Negative Transfer of Training of Suboptimal Degrees of Variability in the Training of Procedures
    Negative Transfer of Training of Suboptimal Degrees of Variability in the Training of Procedures
    Landman, A. ;
    Pennings, H
    2022-05-01 | PDF
    Many professions require procedural skills to perform routine tasks, as well as adaptive skills to deal with unexpected situations. Whereas routine skills are acquired by repetitive practice of the same task, adaptive skills develop with variability of practice. We hypothesize that negative transfer may occur when routine skills are trained with (t ...
  • Aircraft Air Quality and Bleed Air Contamination Detection
    Aircraft Air Quality and Bleed Air Contamination Detection
    Jones, Byron W
    ORCID ICON IMG
    2022-05-01 | PDF
    The purpose of this project was to provide a data-driven process to identify sensing technology with good potential for detecting bleed air contamination from engine oil, hydraulic fluid, or deicing fluid. Reports from major aircraft cabin air studies were reviewed to identify the range of constituents that can be expected in cabin air, especially ...
  • Airport Pavement Surface Treatment A Literature Review
    Airport Pavement Surface Treatment: A Literature Review
    Dzwilewski, Peter-Paul ;
    Espinoza, Arturo
    2022-05-01 | PDF
    The Federal Aviation Administration Airport Technology Research and Development (ATR) Branch conducted a study of airport pavement surface treatments to identify evidence-based best practices and guidance for selecting surface treatments as the appropriate treatment strategy for different airfield pavement locations. The study will be used to furth ...
  • Offshore Precipitation Capability User Evaluation Results
    Offshore Precipitation Capability User Evaluation Results
    United States. Department of Transportation. Federal Aviation Administration. Aviation Weather Demonstration and Evaluation (AWDE)  ...
    2022-05-01 | PDF
    The Aviation Weather Division, ANG-C61, sponsored the development and ongoing research of the Offshore Precipitation Capability (OPC). OPC fuses satellite imagery, lightning data, and weather models to estimate the location and intensity of precipitation in areas where radar is not available. OPC is currently available to support situation awarenes ...
  • Investigation of Certification Considerations for Distributed Electric Propulsion DEP Aircraft
    Investigation of Certification Considerations for Distributed Electric Propulsion (DEP) Aircraft
    McKillip, R. Jr. ;
    Wachspress, D
    2022-05-01 | PDF
    Efforts from the first year of a multi-year investigation examining the use of estimation of both remaining vehicle control power margins and external environmental disturbances for distributed electric propulsion (DEP) vehicles as a contributor for vehicle certification are described. This study combines simulation of DEP aircraft with experimenta ...
  • Runway Incursion Mitigation Fiscal Year 2021 Annual Summary Report
    Runway Incursion Mitigation Fiscal Year 2021 Annual Summary Report
    Vitagliano, Lauren ;
    Debban, Steven
    2022-05-01 | PDF
    In fiscal year (FY) 2012, the Federal Aviation Administration (FAA) Office of Airports (ARP) initiated a research study to identify and geographically locate areas at airports with nonstandard taxiway geometry. This research was advanced because an earlier study (Legarreta, 2012) had shown nonstandard taxiway geometries to be associated with a high ...
  • Aircraft Air Quality and Bleed Air Contamination Detection [supporting datasets]
    Jones, Byron W
    ORCID ICON IMG
    2022-04-30 | ZIP
    The purpose of this project was to provide a data-driven process to identify sensing technology with good potential for detecting bleed air contamination from engine oil, hydraulic fluid, or deicing fluid. Reports from major aircraft cabin air studies were reviewed to identify the range of constituents that can be expected in cabin air, especially ...
    Dataset Supporting Files
  • Negative Transfer of Training Simulator Study Into Effects of Going Beyond Alarms During Stall Recovery Training
    Negative Transfer of Training: Simulator Study Into Effects of Going Beyond Alarms During Stall Recovery Training
    Landman, A. ;
    Mol, D
    2022-04-01 | PDF
    An often-used practice in pilot simulator training is to let pilots respond to a situation that has gone wrong. This may require the trainee to postpone their intervention, so that they can experience the cues and sensations signaling the critical situation, and have an opportunity to practice the appropriate response. However, some aviation-traini ...
  • Progressive Damage Growth of Composites Under VariableAmplitude Fatigue Testing
    Progressive Damage Growth of Composites Under Variable-Amplitude Fatigue Testing
    Seneviratne, Waruna ;
    Tomblin, John
    2022-04-01 | PDF
    Anisotropic heterogeneous characteristics and changes in failure modes over the fatigue life as well as multiple failure mechanisms that interact with each other make it challenging to predict damage growth in composite structures. Therefore, overly conservative assumptions (e.g. load and life factors based on lower-level building block testing) ar ...
141 - 160 / 603