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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 521 - 540 of 1048 results
  • LightEmitting Diode Taxiway Edge Light Photometric Evaluation
    Light-Emitting Diode Taxiway Edge Light Photometric Evaluation
    Lean, Doron ;
    Cyrus, Holly M.
    2010-01-01 | PDF
    The Federal Aviation Administration Airport Safety Technology Research and Development Subteam initiated a long-term study of light-emitting diode (LED) taxiway edge lights. The purpose of this study was to determine and evaluate the photometric performance, durability, and reliability of LED taxiway edge light fixtures. LED taxiway edge lights deg ...
  • Evaluation of Human Performance While Wearing Respirators
    Evaluation of Human Performance While Wearing Respirators
    Hah, Sehchang ;
    Yuditsky, Tanya
    2009-12-01 | PDF
    The goal of this study was to assess the feasibility of respirator use in Air Traffic Control and Technical Operations. We evaluated several models of Powered Air Purifying Respirators (PAPRs) and N95 respirators for usability, effects on human performance, and effects on the wearer’s well-being. We found that binoculars could not be used with any ...
  • Voice Over internet Protocol Speech Intelligibility Assessment
    Voice Over internet Protocol : Speech Intelligibility Assessment
    Friedman-Berg, Ferne ;
    Allendoerfer, Kenneth
    2009-12-01 | PDF
    In this study, we examined the speech intelligibility of five codecs and parameter settings to determine their suitability for Air Traffic Control use. These codecs (g711r64, g726r32, g729r8, g723r53, and g726r16) convert analog communications to digital communications. We used standard intelligibility tests − the Modified Rhyme Test (MRT) and the ...
  • Workstation and Workplace Ergonomics at Federal Aviation Administration Operations Control Centers Phase 1 Evaluation of Ergonomic Issues
    Workstation and Workplace Ergonomics at Federal Aviation Administration Operations Control Centers: Phase 1- Evaluation of Ergonomic Issues
    Ahlstrom, Vicki ;
    Sollenberger, Randy L
    2009-10-01 | PDF
    The purpose of this study was to collect data on current workplace ergonomic conditions at Federal Aviation Administration Operations Control Centers. Ergonomic issues and associated work-related musculoskeletal disorders can arise due to a combination of factors including environmental conditions, workstation design, frequency and duration of task ...
  • Modeling Wing Tank Flammability
    Modeling Wing Tank Flammability
    Dadia, Dhaval
    2009-10-01 | PDF
    An investigation into the fire safety of a wing fuel tank has been performed to aid in the effort to eliminate or reduce the possibility of a wing fuel tank explosion in a commercial aircraft. A computational model is built to predict the generation of flammable mixtures in the ullage of wing fuel tanks. The model predicts the flammability evolutio ...
  • Photoluminescent Material Evaluation
    Photoluminescent Material Evaluation
    Gallagher, Donald W. ;
    Cyrus, Holly M.
    2009-09-01 | PDF
    The fundamental principle of photoluminescent technology is the ability of the photoluminescent material to absorb and store ambient ultraviolet light energy from its surroundings and then emit the stored energy as visible light. Two particular photoluminescent pigments have been used in the development of marking systems: zinc sulfide and strontiu ...
  • Towbarless Towing Vehicle Operations Evaluation of Braking Action and Vehicle Conspicuity
    Towbarless Towing Vehicle Operations - Evaluation of Braking Action and Vehicle Conspicuity
    Hayhoe, Gordon F. ;
    Patterson, James W.
    2009-08-01 | PDF
    General guidance on the operation of towbarless towing vehicles (TLTV) on airport operation areas is discussed with respect to braking during towing emergencies, painting, and lighting the TLTV and the aircraft being towed. Evaluations and recommendations are also given with regard to the topics discussed in the report. The braking evaluation was p ...
  • Runway Status Lights Takeoff Hold Lighting System Evaluation
    Runway Status Lights: Takeoff Hold Lighting System Evaluation
    Patterson, James W.
    2009-08-01 | PDF
    Takeoff hold lights (THL) are positioned along the runway centerline, and when illuminated, they are visible to an aircraft pilot at the beginning of the runway preparing for takeoff. Normally, these lights are off. A Runway Status Light (RWSL) System monitors the runway occupancy status and conveys this information to the pilots, ground vehicle op ...
  • Vaporization of JP8 Jet Fuel in a Simulated Aircraft Fuel Tank Under Varying Ambient Conditions
    Vaporization of JP-8 Jet Fuel in a Simulated Aircraft Fuel Tank Under Varying Ambient Conditions
    Ochs, Robert I.
    2009-08-01 | PDF
    This study has been performed to aid in the effort to minimize the possibility of a fuel tank explosion in a commercial aircraft. An understanding of the mechanisms behind fuel vaporization processes in an aircraft fuel tank is essential to developing accident prevention techniques. An experiment was designed to measure the conditions existing with ...
  • Review of Aircraft SelfSpacing Concepts Implications for Controller Display Requirements
    Review of Aircraft Self-Spacing Concepts : Implications for Controller Display Requirements
    Zingale, Carolina ;
    Willems, Ben
    2009-07-01 | PDF
    This report summarizes the concepts and the simulations conducted on pilot self-spacing and self-separation between 2005 and 2007and focuses on the implications for air traffic control information needs and display enhancements. It follows a previous literature review on these concepts by McAnulty and Zingale (2005). In 2007, air traffic levels wer ...
  • Comparing the Tower Operations Digital Data System To Paper Flight Progress Strips in ZeroVisibility Operations
    Comparing the Tower Operations Digital Data System To Paper Flight Progress Strips in Zero-Visibility Operations
    Truitt, Todd R ;
    Muldoon, Robert
    2009-07-01 | PDF
    The current experiment used a high-fidelity, human-in-the-loop simulation to compare the Tower Operations Digital Data System (TODDS) to paper flight progress strips (FPSs) during zero-visibility Airport Traffic Control Tower operations. Sixteen current controllers participated in groups of two. Each group received touchscreen and TODDS training be ...
  • Predicting the Burning Rates of Noncharring Polymers
    Predicting the Burning Rates of Noncharring Polymers
    Stoliarov, Stanislav I. ;
    Crowley, Sean
    2009-07-01 | PDF
    This study provides a thorough examination of whether a numerical pyrolysis model, which describes transient energy transport and chemical reactions taking place in a one-dimensional object, can be used as a practical tool for prediction and/or extrapolation of the results of fire calorimetry tests. The focus is on non-charring polymers, in particu ...
  • Development of a NextGeneration Burner for Use in Testing Thermal Acoustic Insulation Burnthrough Resistance
    Development of a Next-Generation Burner for Use in Testing Thermal Acoustic Insulation Burnthrough Resistance
    Ochs, Robert I.
    2009-05-01 | PDF
    A new and improved burner was developed to test the fire penetration resistance of thermal acoustic insulation in accordance with Title 14 Code of Federal Regulations (CFR) Part 25.856 (b). This next-generation (NexGen) burner was developed mainly to provide industry with an alternative to the currently accepted burner apparatus manufactured by Par ...
  • Development of the Electrical Wiring Interconnection System Risk Assessment Tool
    Development of the Electrical Wiring Interconnection System Risk Assessment Tool
    2009-01-01 | PDF
    No Description
  • Factors Affecting the Communication of Status Information Between Technical Operations and Air Traffic Personnel
    Factors Affecting the Communication of Status Information Between Technical Operations and Air Traffic Personnel
    Ahlstrom, Vicki ;
    Muldoon, Robert
    2009-01-01 | PDF
    The purpose of this study is to identify and assess ways to improve communication of system status between two key groups within the Federal Aviation Administration: Technical Operations and Air Traffic. To accomplish this goal, researchers employed qualitative measures to examine a number of elements related to how these two groups communicate sys ...
  • The Password Survival Guide A UserFriendly Resource for Technical Operations
    The Password Survival Guide : A User-Friendly Resource for Technical Operations
    Ahlstrom, Vicki ;
    Allendoerfer, Kenneth
    2008-12-01 | PDF
    With security becoming increasingly important, users may be faced with 50 or more passwords. Human memory can store only limited amounts of information and can be overloaded by too many passwords. This guide is intended to help password users cope with the increasing number and complexity of passwords by providing strategies for reducing the memory ...
  • Human Factors Assessment of the En Route Information Display System
    Human Factors Assessment of the En Route Information Display System
    McAnulty, D. Michael ;
    Sollenberger, Randy
    2008-12-01 | PDF
    Human factors researchers at the Federal Aviation Administration have developed new methods of operation for Air Traffic Control Specialists working in Airport Traffic Control Towers (ATCT). The newly redesigned and enhanced Tower Operations Digital Data System (TODDS) provides a means to assist ATCT controllers with flight data management, communi ...
  • Moving Toward An Air Traffic Control Display Standard Creating a Standardized Color Palette for Terminal Situation Displays
    Moving Toward An Air Traffic Control Display Standard : Creating a Standardized Color Palette for Terminal Situation Displays
    Friedman-Berg, Ferne ;
    Allendoerfer, Kenneth
    2008-12-01 | PDF
    As the Federal Aviation Administration moves toward the implementation of the Next Generation Air Transportation System, there is a need to increase commonality and standardization across Air Traffic Control (ATC) displays. Increased standardization will reduce development costs and training requirements, as well as ensure that new ATC systems foll ...
  • Conducted Electrical Emissions From Type L858 Style 2 and 3 Airfield Signs
    Conducted Electrical Emissions From Type L-858 Style 2 and 3 Airfield Signs
    Cyrus, Holly M. ;
    Nadel, Jess
    2008-11-01 | PDF
    This study investigated the conducted electrical emissions from Type L-858 style 2 and 3 airfield signs that cause the signs to flicker on and off. These emissions are caused by the internal power supply of the style 2 and 3 signs. These signs are designed to operate at a constant intensity on a series circuit with other lighting equipment that ope ...
  • Prevention of a Simulated Aerosol Can Explosion with a Mixture of Halon 1301 and Nitrogen
    Prevention of a Simulated Aerosol Can Explosion with a Mixture of Halon 1301 and Nitrogen
    Reinhardt, John W. ;
    Penman, Robert III
    2008-11-01 | PDF
    This research was conducted to determine if a combination of Halon 1301 and nitrogen gas would prevent an aerosol can explosion. The aerosol can explosion simulation tests were conducted in the Pressure Fire Modeling Facility, at the Federal Aviation Administration William J. Hughes Technical Center, Atlantic City International Airport, New Jersey. ...
521 - 540 / 1048