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  • Other Sources  (132)
  • Air Transportation and Safety  (132)
  • 2010-2014  (132)
  • 1985-1989
  • 2010  (132)
  • 1
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    Air traffic management evaluation tool (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Method and system for evaluating and implementing air traffic management tools and approaches for managing and avoiding an air traffic incident before the incident occurs. The invention provides flight plan routing and direct routing or wind optimal routing, using great circle navigation and spherical Earth geometry. The invention provides for aircraft dynamics effects, such as wind effects at each altitude, altitude changes, airspeed changes and aircraft turns to provide predictions of aircraft trajectory (and, optionally, aircraft fuel use). A second system provides several aviation applications using the first system. These applications include conflict detection and resolution, miles-in trail or minutes-in-trail aircraft separation, flight arrival management, flight re-routing, weather prediction and analysis and interpolation of weather variables based upon sparse measurements.
    Keywords: Air Transportation and Safety
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    An Accident Precursor Analysis Process Tailored for NASA Space Systems (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Accident Precursor Analysis (APA) serves as the bridge between existing risk modeling activities, which are often based on historical or generic failure statistics, and system anomalies, which provide crucial information about the failure mechanisms that are actually operative in the system and which may differ in frequency or type from those in the various models. These discrepancies between the models (perceived risk) and the system (actual risk) provide the leading indication of an underappreciated risk. This paper presents an APA process developed specifically for NASA Earth-to-Orbit space systems. The purpose of the process is to identify and characterize potential sources of system risk as evidenced by anomalous events which, although not necessarily presenting an immediate safety impact, may indicate that an unknown or insufficiently understood risk-significant condition exists in the system. Such anomalous events are considered accident precursors because they signal the potential for severe consequences that may occur in the future, due to causes that are discernible from their occurrence today. Their early identification allows them to be integrated into the overall system risk model used to intbrm decisions relating to safety.
    Keywords: Air Transportation and Safety
    Type: HQ-STI-10-027 , PSAM 10: International Association for Probabilistic Safety Assessment and Management (IAPSAM); Jun 07, 2010 - Jun 11, 2010; Seattle, WA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Multi-modal cockpit interface for improved airport surface operations (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: A system for multi-modal cockpit interface during surface operation of an aircraft comprises a head tracking device, a processing element, and a full-color head worn display. The processing element is configured to receive head position information from the head tracking device, to receive current location information of the aircraft, and to render a virtual airport scene corresponding to the head position information and the current aircraft location. The full-color head worn display is configured to receive the virtual airport scene from the processing element and to display the virtual airport scene. The current location information may be received from one of a global positioning system or an inertial navigation system.
    Keywords: Air Transportation and Safety
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Development of NASA's Accident Precursor Analysis Process Through Application on the Space Shuttle Orbiter (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Accident Precursor Analysis (APA) serves as the bridge between existing risk modeling activities, which are often based on historical or generic failure statistics, and system anomalies, which provide crucial information about the failure mechanisms that are actually operative in the system. APA docs more than simply track experience: it systematically evaluates experience, looking for under-appreciated risks that may warrant changes to design or operational practice. This paper presents the pilot application of the NASA APA process to Space Shuttle Orbiter systems. In this effort, the working sessions conducted at Johnson Space Center (JSC) piloted the APA process developed by Information Systems Laboratories (ISL) over the last two years under the auspices of NASA's Office of Safety & Mission Assurance, with the assistance of the Safety & Mission Assurance (S&MA) Shuttle & Exploration Analysis Branch. This process is built around facilitated working sessions involving diverse system experts. One important aspect of this particular APA process is its focus on understanding the physical mechanism responsible for an operational anomaly, followed by evaluation of the risk significance of the observed anomaly as well as consideration of generalizations of the underlying mechanism to other contexts. Model completeness will probably always be an issue, but this process tries to leverage operating experience to the extent possible in order to address completeness issues before a catastrophe occurs.
    Keywords: Air Transportation and Safety
    Type: HQ-STI-10-025 , 10th International Probabilistic Safety Assessment and Management Conference (PSAM 10); Jun 07, 2010 - Jun 11, 2010; Seattle, WA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Airspace Systems Program: Next Generation Air Transportation System, NextGen Systems Analysis, Integration and Evaluation Project (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-26
    Description: The key objectives of the NASA ASP are to: Improve mobility, capacity efficiency and access of the airspace system. Improve collaboration, predictability, and flexibility for the airspace users. Enable accurate modeling and simulation of air transportation systems. Accommodate operations of all classes of aircraft. Maintain system safety and environmental protection. In support of these program objectives, the major goal of the NextGen-SAIE Project is to enable the transition of key capacity and efficiency improvements to the NAS. Since many aspects of the NAS are unique to specific airport or airspace environments, demand on various parts of the NAS is not expected to increase equally as system demand grows. SAIE will provide systems level analysis of the NAS characteristics, constraints, and demands such that a suite of capacity-increasing concepts and technologies for system solutions are enabled and facilitated. The technical objectives in support of this goal are the following: Integration, evaluation, and transition of more mature concepts and technologies in an environment that faithfully emulates real-world complexities. Interoperability research and analysis of ASP technologies across ATM functions is performed to facilitate integration and take ASP concepts and technologies to higher Technology Readiness Level (TRL). Analyses are conducted on the program s concepts to identify the system benefits or impacts. System level analysis is conducted to increase understanding of the characteristics and constraints of airspace system and its domains.
    Keywords: Air Transportation and Safety
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Meeting of Experts UAS Integration in the NAS (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-24
    Description: No abstract available
    Keywords: Air Transportation and Safety
    Type: HQ-STI-10-153 , National Research Council Meeting of Experts on NASA''s Plans for System-Level Research in Unmanned Aircraft Systems Integration in the National Airspace System; Aug 05, 2010; Washington, DC; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Trajectory specification for high capacity air traffic control (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-24
    Description: Method and system for analyzing and processing information on one or more aircraft flight paths, using a four-dimensional coordinate system including three Cartesian or equivalent coordinates (x, y, z) and a fourth coordinate .delta. that corresponds to a distance estimated along a reference flight path to a nearest reference path location corresponding to a present location of the aircraft. Use of the coordinate .delta., rather than elapsed time t, avoids coupling of along-track error into aircraft altitude and reduces effects of errors on an aircraft landing site. Along-track, cross-track and/or altitude errors are estimated and compared with a permitted error bounding space surrounding the reference flight path.
    Keywords: Air Transportation and Safety
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    NASA Airspace Systems Environmentally Focused Research (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-24
    Description: This slide presentation focuses on how the Next Generation Air Space System can assist in reducing environmental pollution and reduced fuel consumption. By modifying some of the current aviation practices such as the dive and drive descent and making more efficient air traffic flow, the new system can assist in noise reduction, emissions reductions and reduce delays in routing and improve operational efficiency
    Keywords: Air Transportation and Safety
    Type: Green Aviation Summit; Sep 09, 2010 - Sep 10, 2010; Moffett Field, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    NASA's Accident Precursor Analysis Process and the International Space Station (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-14
    Description: This viewgraph presentation reviews the implementation of Accident Precursor Analysis (APA), as well as the evaluation of In-Flight Investigations (IFI) and Problem Reporting and Corrective Action (PRACA) data for the identification of unrecognized accident potentials on the International Space Station.
    Keywords: Air Transportation and Safety
    Type: HQ-STI-10-160 , Trilateral Safety and Mission Assurance Conference; Oct 26, 2010 - Oct 27, 2010; Cleveland, OH; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    The Impact of Data Communications Messages in the Terminal Area on Flight Crew Workload and Eye Scanning (2010)
    In:  CASI
    Details
    Publication Date: 2019-08-14
    Description: This paper, to accompany a discussion panel, describes a collaborative FAA and NASA research study to determine the effect Data Communications (Data Comm) messages have on flight crew workload and eye scanning behavior in busy terminal area operations. In the Next Generation Air Transportation System Concept of Operations, for the period 2017-2022, the FAA envisions Data Comm between controllers and the flight crew to become the primary means of communicating non-time critical information. Four research conditions were defined that span current day to future equipage levels (Voice with Paper map, Data Comm with Paper map, Data Comm with Moving Map Display with ownship position displayed, Data Comm with Moving Map, ownship and taxi route displayed), and were used to create arrival and departure scenarios at Boston Logan Airport. Preliminary results for workload, situation awareness, and pilot head-up time are presented here. Questionnaire data indicated that pilot acceptability, workload, and situation awareness ratings were favorable for all of the conditions tested. Pilots did indicate that there were times during final approach and landing when they would prefer not to hear the message chime, and would not be able to make a quick response due to high priority tasks in the cockpit.
    Keywords: Air Transportation and Safety
    Type: NF1676L-10300 , Human Factors and Ergonomics Society Annual Meeting; Sep 27, 2010 - Oct 01, 2010; San Francisco, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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