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  • 1
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    Experimental evaluation of candidate graphical microburst alert displays (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A piloted flight simulator experiment was conducted to evaluate issues related to the display of microburst alerts on electronic cockpit instrumentation. Issues addressed include display clarity, usefulness of multilevel microburst intensity information, and whether information from multiple sensors should be presented separately or 'fused' into combined alerts. Nine active airline pilots of 'glass cockpit' aircraft participated in the study. Microburst alerts presented on a moving map display were found to be visually clear and useful to pilots. Also, multilevel intensity information coded by colors or patterns was found to be important for decision making purposes. Pilot opinion was mixed on whether to 'fuse' data from multiple sensors, and some resulting design tradeoffs were identified. The positional information included in the graphical alert presentation was found useful by the pilots for planning lateral missed approach maneuvers, but may result in deviations which could interfere with normal airport operations. A number of flight crew training issues were also identified.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: NASA-CR-189633 , NAS 1.26:189633 , ASL-91-2
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    A graphical workstation based part-task flight simulator for preliminary rapid evaluation of advanced displays (1994)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Advances in avionics and display technology are significantly changing the cockpit environment in current transport aircraft. The MIT Aeronautical Systems Lab (ASL) developed a part-task flight simulator specifically to study the effects of these new technologies on flight crew situational awareness and performance. The simulator is based on a commercially-available graphics workstation, and can be rapidly reconfigured to meet the varying demands of experimental studies. The simulator was successfully used to evaluate graphical microbursts alerting displays, electronic instrument approach plates, terrain awareness and alerting displays, and ATC routing amendment delivery through digital datalinks.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: NASA. Langley Research Center, FAA(NASA Joint University Program for Air Transportation Research, 1992-1993; p 9-15
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Cockpit display of hazardous weather information (1991)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Information transfer and display issues associated with the dissemination of hazardous weather warnings are studied in the context of wind shear alerts. Operational and developmental wind shear detection systems are briefly reviewed. The July 11, 1988 microburst events observed as part of the Denver Terminal Doppler Weather Radar (TDWR) operational evaluation are analyzed in terms of information transfer and the effectiveness of the microburst alerts. Information transfer, message content and display issues associated with microburst alerts generated from ground based sources (Doppler Radar, Low Level Wind Shear Alert System, and Pilot Reports) are evaluated by means fo pilot opinion surveys and part task simulator studies.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: NASA. Langley Research Center, Joint University Program for Air Transportation Research, 1990-1991; p 41-48
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Ultrasonic techniques for aircraft ice accretion measurement (1988)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Ultrasonic pulse-echo measurements of ice growth on cylinders and airfoils exposed to both artificial (icing wind tunnel) and natural (flight) icing conditions are presented. An accuracy of + or - 0.5 mm is achieved with the present method. The ultrasonic signal characteristics associated with each of the two types of icing regimes identified, wet and dry ice growth, are discussed. Heat transfer coefficients are found to be higher in the wind tunnel environment than in flight. Results for ice growth on airfoils have also been obtained using an array of ultrasonic transducers. Icing profiles obtained during flight are compared with mechanical and stereo image measurements.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: AIAA PAPER 88-4656
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Alert generation and cockpit presentation for an integrated microburst alerting system (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Alert generation and cockpit presentation issues for low-level wind shear (microburst) alerts are investigated. Alert generation issues center on development of a hazard criterion which allows integration of both ground-based and airborne wind shear detection systems to form an accurate picture of the aviation hazard posed by a particular wind shear situation. A methodology for testing of hazard criteria through flight simulation has been developed, and has been used to examine the effectiveness and feasibility of several possible criteria. Also, an experiment to evaluate candidate graphical cockpit displays for microburst alerts using a piloted simulator has been designed.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: AIAA PAPER 91-0260
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Unknown
    Experimental evaluation of candidate graphical microburst alert displays (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: A piloted flight simulator experiment has been conducted to evaluate issues related to the display of microburst alerts on electronic cockpit instrumentation. Issues addressed include display clarity, usefulness of multilevel microburst intensity information, and whether information from multiple sensors should be presented separately or 'fused' into combined alerts. Nine active airline pilots of 'glass-cockpit' aircraft participated in the study. Microburst alerts presented on a moving map display were found to be visually clear and useful to pilots. Also, multilevel intensity information coded by colors or patterns was found to be important for decision-making purposes. Inconclusive results were obtained on whether to 'fuse' data from multiple sensors. The positional information included in the graphical alert presentation was found useful by the pilots for planning lateral missed-approach maneuvers, but may result in deviations which could interfere with normal airport operations.
    Keywords: AIRCRAFT INSTRUMENTATION
    Type: AIAA PAPER 92-0292
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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