1–20 of 29 hits
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    Aircraft operating efficiency on the North Atlantic, a challenge for the 1980's

    Steinberg, R. | NTRS | 1981
    next decade. These changes are identified and their impact on aircraft operating efficiency is discussed. Possible alternatives for North ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Current Research in Aircraft Tire Design and Performance

    Tanner, J. A. / Mccarthy, J. L. / Clark, S. K. | NTRS | 1981
    A review of the tire research programs which address the various needs identified by landing gear designers and airplane users is presented ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Sources, control, and effects of noise from aircraft propellers and rotors

    Mixson, J. S. / Greene, G. C. / Dempsey, T. K. | NTRS | 1981
    aviation aircraft and in large transports using propfan propulsion. The weight of the added acoustic treatment is estimated and tradeoffs between ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Recent Progress Towards Predicting Aircraft Ground Handling Performance

    Yager, T. J. / White, E. J. | NTRS | 1981
    The significant progress which has been achieved in development of aircraft ground handling simulation capability is reviewed and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Fireworthiness of transport aircraft interior systems

    Parker, J. A. / Kourtides, D. A. | NTRS | 1981
    tests, these components appear to offer the most immediate and highest payoff possible by modifying interior materials of existing aircraft ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    A head-up display format for transport aircraft approach and landing

    Bray, R. S. / Scott, B. C. | NTRS | 1981
    transport aircraft landing. In the design process of iterative evaluation and modification, some general principles, or guidelines, applicable to ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    A method for determining landing runway length for a STOL aircraft

    Watson, D. M. / Hardy, G. H. / Moran, J. F. et al. | NTRS | 1981
    Based on data obtained from flight tests of the augmentor wing jet STOL research aircraft, a method is proposed for determining the length ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    The NASA digital VGH program, early results

    Crabill, N. L. / Morris, G. J. | NTRS | 1981
    airliner fleet and for design criteria updating for future designs. The data indicates real operating effects due to the autopilot, i.e., gust ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Review of antiskid and brake dynamics research

    Stubbs, S. M. / Tanner, J. A. | NTRS | 1981
    aircraft suggest that the systems investigated perform well under most circumstances but there may be room for improvement. For example, it was ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Evaluation of emergency-locator-transmitter performance in real and simulated crash tests

    Carden, H. D. | NTRS | 1981
    excessive false alarms and nonactivations of ELT's during crash situations were determined and solutions to the current operational and technical ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Basic research in wake vortex alleviation using a variable twist wing

    Morris, D. J. / Holbrook, G. T. | NTRS | 1981
    The variable twist wing concept was used to investigate the relative effects of lift and turbulence distribution on the rolled up vortex ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    NASA/FAA general aviation crash dynamics program

    Thomson, R. G. / Hayduk, R. J. / Carden, H. D. | NTRS | 1981
    displacements on collapsing structure. Tests on typical full scale aircraft and on full and subscale structural components are performed to verify the ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Airport noise impact reduction through operations

    Deloach, R. | NTRS | 1981
    airport. Specifically, the relative effectiveness of adding sound absorbing material to aircraft engines, imposing curfews, and treating houses ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Studies of some unconventional systems for solving various landing problems

    Leland, T. J. / Mcgehee, J. R. / Dreher, R. C. | NTRS | 1981
    and reasonable wear rates at ground bearing pressures up to 689 kPa and forward speeds up to 80 km/hr. The third showed great promise in an ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Guidance and control system research for improved terminal area operations

    Hueschen, R. M. / Creedon, J. F. / Bundick, W. T. et al. | NTRS | 1981
    aircraft in the terminal area are described. The guidance and control systems were designed to improve the capacity and efficiency of terminal area ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    The 1979 Clear Air Turbulence Flight Test Program

    Weaver, E. A. / Ehernberger, L. J. / Gary, B. L. et al. | NTRS | 1981
    The flight experiments for clear air turbulence (CAT) detection and measurement concepts are described. The test were conducted over the ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    In-flight direct-strike lightning research

    Pitts, F. L. / Thomas, M. E. | NTRS | 1981
    Tests designed to investigate the lightning-generated electromagnetic environment affecting aircraft are discussed. An F-106B aircraft ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Test results of flight guidance for fuel conservative descents in a time-based metered air traffic environment

    Knox, C. E. / Person, L. H., Jr. | NTRS | 1981
    The NASA developed, implemented, and flight tested a flight management algorithm designed to improve the accuracy of delivering an airplane ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    A pilot's subjective analysis of a Cockpit Display of Traffic Information (CDTI)

    Keyser, G. L., Jr. | NTRS | 1981
    Both the advent of electronic displays for cockpit applications and the availability of high-capacity data transmission systems, linking ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    How a pilot looks at altitude

    Spady, A. A., Jr. / Harris, R. L., Sr. | NTRS | 1981
    Commerical pilot eye scanning data previously collected were reanalyzed to evaluate how pilot used the drum pointer altimeter. The results ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety