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FAA Technical Library

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 81 - 100 of 599 results
  • Lift Rotor Control Power Assessment of a LiftCruise Configuration
    Lift Rotor Control Power Assessment of a Lift+Cruise Configuration
    Bossinger, Robert L ;
    Hoffler, Keith D
    2023-09-01 | PDF
    The recent advent of electric propulsion has freed designers to put propulsors in nonconventional locations and opened aircraft design space to novel configurations. Many electric Vertical Take-off and Landing (eVTOL) aircraft with multiple lift-rotors that require advanced control systems to manage the large number of control effectors are being p ...
  • Evaluation of Unmanned Aircraft Systems for Airport Obstacle Data Collection
    Evaluation of Unmanned Aircraft Systems for Airport Obstacle Data Collection
    Sheairs, Jonathan ;
    Canter, Garrison
    2023-09-01 | PDF
    The Federal Aviation Administration (FAA) Airport Technology Research and Development Branch initiated a research study in collaboration with the National Oceanic and Atmospheric Administration’s (NOAA) National Geodetic Survey (NGS) to evaluate the use of small unmanned aircraft systems (UASs) for collecting obstacle data at airports. The objectiv ...
  • Evaluation of Unmanned Aircraft Systems for Airport Perimeter Inspections and Surveillance
    Evaluation of Unmanned Aircraft Systems for Airport Perimeter Inspections and Surveillance
    Sheairs, Jonathan ;
    Canter, Garrison
    2023-09-01 | PDF
    Federal Aviation Administration (FAA) Airport Technology Research and Development Branch personnel conducted a research effort to evaluate the use of unmanned aircraft systems (UASs) for airport perimeter inspections and surveillance. The purpose of this effort was to develop minimum recommended performance specifications and technical/operational ...
  • Experimental Testing to Characterize Plastic Deformation Dynamic Response and Ductile Fracture of Inconel 718 Under Various Loading Conditions
    Experimental Testing to Characterize Plastic Deformation, Dynamic Response, and Ductile Fracture of Inconel 718 Under Various Loading Conditions
    Ressa, Aaron ;
    Liutkus, Timothy
    2023-09-01 | PDF
    A team consisting of Federal Aviation Administration (FAA) Propulsion Research Program, The Ohio State University (OSU), George Mason University (GMU), and the National Aeronautics and Space Administration Glenn Research Center (NASA-GRC) collaborated to develop a new material model in LS-DYNA for impact applications of Inconel 718, a nickel based ...
  • Small Unmanned Aircraft System for Pavement Inspection
    Small Unmanned Aircraft System for Pavement Inspection
    Sourav, Md Abdullah All ;
    Ceylan, Halil
    2023-08-07 | PDF
    Airport pavements require routine maintenance, upgrading, and rehabilitation to reach or exceed their design period. While pavement distresses caused by environmental conditions cannot be prevented, early and routine maintenance work can minimize the deterioration. The current practice for airport pavement inspections relies on time-consuming visua ...
  • IndoorOutdoor Method for Measurement of Noise Reduction
    Indoor-Outdoor Method for Measurement of Noise Reduction
    Sharp, Ben ;
    Cox, J Eric
    2023-08-01 | PDF
    In 2014, the Federal Aviation Administration (FAA) amended the Airport Improvement Program (AIP) Handbook to clarify guidance for the funding of noise mitigation projects. The clarification addressed requirements that structures eligible for sound insulation treatment not only be located within the day-night average sound level (DNL) 65-decibel (dB ...
  • Monitoring Smoke Emissions Using the Heat Release Rate Test Apparatus HR2
    Monitoring Smoke Emissions Using the Heat Release Rate Test Apparatus (HR2)
    Hahn, Francis ;
    Conover, Brian
    2023-08-01 | PDF
    A study was conducted to determine the feasibility of adding the capability of measuring material smoke emissions to the Federal Aviation Administration (FAA) rate of heat release test method, which is performed in a specially developed test device that is commonly referred to as the Heat Release Rate 2 Apparatus (HR2). A laser/sensor means of meas ...
  • FluorineFree Foam Fire Tests Using Various Foam Delivery Configurations
    Fluorine-Free Foam Fire Tests Using Various Foam Delivery Configurations
    Trazzi, Daniel ;
    Casey, Jeremy
    2023-08-01 | PDF
    A series of fire tests were performed at the FAA William J Hughes Technical Center using various 40-gallons-per-minute hand line nozzle configurations fighting a 30-foot-diameter Jet-A fire. The objective of this test series was to evaluate fluorine-free foam (F3) on a larger scale than the standard MilSpec and International Civil Aviation Organiza ...
  • Machine Learning Approach for the Evaluation of Degraded Wheel Braking Performance on Contaminated Runways
    Machine Learning Approach for the Evaluation of Degraded Wheel Braking Performance on Contaminated Runways
    Lee, HyunKi ;
    Zhang, Wenxin
    2023-08-01 | PDF
    One of the most challenging issues in the airline community has been the safe operations of aircraft during the landing phase of flight. Several entities agree that runway excursion is the most frequent type of landing incident or accident, and studies on this topic have shown that a significant contributor is the condition of the runway surface at ...
  • Review of Automatic Speech Recognition Methodologies
    Review of Automatic Speech Recognition Methodologies
    Achour, Gabriel ;
    Salunke, Oojas
    2023-08-01 | PDF
    This report highlights the crucial role of Automatic Speech Recognition (ASR) techniques in enhancing safety for air traffic control (ATC) in terminal environments. ASR techniques facilitate efficient and accurate transcription of verbal communications, reducing the likelihood of errors. The report also details the evolution of ASR technologies, co ...
  • Recommended Changes to FAA P401P403 and P404 Asphalt Mixture Design for Aircraft Loading Conditions
    Recommended Changes to FAA P-401/P-403 and P-404 Asphalt Mixture Design for Aircraft Loading Conditions
    Bennert, Thomas
    2023-07-01 | PDF
    Rutting in asphalt airfield pavements can be a significant problem due to the increasing gross aircraft weight (GAW) and extremely high tire pressures associated with these aircraft. The generated high stresses and strains can reach significant distances below the pavement surface, impacting deeper asphalt layers previously not affected by earlier ...
  • Nitrous Oxide Enhanced Fires in an Aircraft Lower Deck Ld3 Sized Steel Test Chamber
    Nitrous Oxide Enhanced Fires in an Aircraft Lower Deck (Ld-3) Sized Steel Test Chamber
    Keslar, Daniel ;
    Marker, Timothy
    2023-07-01 | PDF
    The transport of oxidizers and compressed oxygen within aircraft is heavily regulated, largely as a result of the fatal 1996 ValuJet accident. Past Federal Aviation Administration (FAA) studies have found that released oxidizers can exacerbate burning within a halon-suppressed cargo compartment fire, potentially overwhelming the fire suppression sy ...
  • Aviation Safety Research on Developing Mission Task Elements Means of ComplianceMethods of Compliance for Certification of General Aviation VTOL VSTOL or Hybrid Aircraft
    Aviation Safety Research on Developing Mission Task Elements, Means of Compliance/Methods of Compliance, for Certification of General Aviation, VTOL, VSTOL, or Hybrid Aircraft
    Lotterio, Marco ;
    Pingitore, Andrea
    2023-07-01 | PDF
    Aircraft manufacturers are currently advancing the implementation of Automatic Flight Control Systems (AFCS) in General Aviation (GA) aircraft, certifiable under 14 Code of Federal Regulations (CFR) Part 23 regulations. Additionally, several startup companies, often backed up by larger manufacturers, are developing an entirely new technology with t ...
  • Development of Effective TaylorQuinney Coefficient Tables of MAT_224 for Aluminum 2024T351 Titanium 6Al4V and Inconel 718 Alloys
    Development of Effective Taylor-Quinney Coefficient Tables of *MAT_224 for Aluminum 2024-T351, Titanium 6Al-4V, and Inconel 718 Alloys
    Park, Chung-Kyu ;
    Carney, Kelly
    2023-07-01 | PDF
    As a part of the FAA’s Aircraft Catastrophic Failure Prevention Program (ACFPP), the LS-DYNA material model *MAT_224 was developed for computational modeling of high-speed impact problems, e.g., an actual turbine engine blade release event. Material impact imposes a temperature rise, which is estimated in *MAT_224 by the Taylor-Quinney Coefficient ...
  • Literature Survey of Big Data
    Literature Survey of Big Data
    McGlynn, Jason
    2023-07-01 | PDF
    Mention the topic of big data, and a person is bound to experience information overload. Indeed, it is so complex with so many terms and details that people want to run away from it. When used right, big data (BD) will help people access data they need in in real time and help managers make better decisions. The purpose of this paper is to evaluate ...
  • Assessment of Emerging Metallic Structures Technologies through Test and Analysis of Fuselage Structure Panel 2
    Assessment of Emerging Metallic Structures Technologies through Test and Analysis of Fuselage Structure: Panel 2
    Tian, Yongzhe ;
    Stanley, Dave
    2023-07-01 | 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 and Structures and Materials Lab Full-scale fuselage panel test data will be obtained to assess the effect of E ...
  • Development and Evaluation of Mission Task Elements for Certification of Aircraft with NonConventional Control Interfaces
    Development and Evaluation of Mission Task Elements for Certification of Aircraft with Non-Conventional Control Interfaces
    Hoffler, Keith D ;
    Duerksen, Noel
    2023-06-01 | PDF
    Electrification of aircraft is resulting in configurations that had not been possible. These configurations use fly-by-wire flight controls and introduce novel control concepts that do not map back to traditional mechanical flight controls. The control concepts also do not map to existing Federal Aviation Administration (FAA) certification requirem ...
  • Probabilistic Integrity and Risk Assessment of Turbine Engines Phase II
    Probabilistic Integrity and Risk Assessment of Turbine Engines, Phase II
    McClung, R. Craig ;
    Enright, Michael P
    2023-06-01 | PDF
    This grant supported the efforts of the Federal Aviation Administration (FAA) to develop an enhanced life management process, based on probabilistic damage tolerance principles, to address the threat of material or manufacturing anomalies in high-energy rotating components of aircraft engines. Major research products included formal verification an ...
  • Foreign Object Debris Detection System CostBenefit Analysis
    Foreign Object Debris Detection System Cost-Benefit Analysis
    Hilburn, Brian G. ;
    Pesmen, B S
    2023-05-01 | PDF
    Foreign object debris (FOD) poses significant safety and financial threats to aviation. Estimates of the annual global costs of FOD range up to $22.7 billion in current United States dollars. The Federal Aviation Administration (FAA) recognizes that airport FOD detection systems can help reduce FOD risks. The FAA Airport Technology Research and Dev ...
  • Assessment of Dynamic Modulus Testing of Airfield Asphalt Mixes Using SmallScale Test Specimens Technical Note
    Assessment of Dynamic Modulus Testing of Airfield Asphalt Mixes Using Small-Scale Test Specimens [Technical Note]
    Alvarez, Dario Batioja
    2023-05-01 | PDF
    Dynamic modulus is a fundamental property of viscoelastic materials and is typically used as an indicator of mix performance and input for the structural design of flexible pavements. Dynamic modulus can be measured in the laboratory using the Asphalt Mixture Performance Tester (AMPT) using the standard-size test specimen geometry (100-mm diameter ...
81 - 100 / 599