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1–18 von 18 Ergebnissen
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    Noise Measurement Flight Test of Five Light Helicopters

    E. J. Rickley / K. E. Jones / A. S. Keller et al. | NTIS | 1993
    Schlagwörter: Noise Pollution & Control , Noise(Sound) , Helicopter noise measurement , Aircraft noise , Simplified helicopter-noise-certification procedure , Noise measurement

      Noise Measurement Flight Test of Five Light Helicopters

      E. J. Rickley / K. E. Jones / A. S. Keller et al. | NTIS | 1993
      Schlagwörter: Noise(Sound) , Aircraft noise

    Noise Measurement Flight Test for Boeing Vertol 234/CH 47-D Helicopter: Data/Analyses

    J. S. Newman / E. J. Rickley / T L. Bland et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Noise pollution , Noise(Sound)

    Noise Measurement Flight Test for Aerospatiale AS 355F TwinStar Helicopter: Data/Analyses

    J. S. Newman / E. J. Rickley / K. R. Beattie et al. | NTIS | 1984
    Schlagwörter: Noise , Aircraft noise , Noise Pollution & Control

    Noise Measurement Flight Test: Data/Analyses, Sikorsky S-76A Helicopter

    J. S. Newman / E. J. Rickley / T. L. Bland et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Aircraft noise

    Noise Measurement Flight Test: Data/Analyses, Hughes 500 D/E Helicopter

    J. S. Newman / E. J. Rickley / T. L. Bland et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Noise measurement

    Noise Measurement Flight Test: Data/Analyses Bell 222 Twin Jet Helicopter

    J. S. Newman / E. J. Rickley / T. L. Bland et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Aircraft noise

    Noise Measurement Flight Test: Data/Analyses Aerospatiale AS 355F TwinStar Helicopter

    J. S. Newman / E. J. Rickley / K. R. Beattie et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Aircraft noise

    Noise Measurement Flight Test: Data/Analyses Aerospatiale AS 350D AStar Helicopter

    J. S. Newman / E. J. Rickley / K. R. Beattie et al. | NTIS | 1984
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Noise reduction

    Noise Levels and Flight Profiles of Eight Helicopters Using Proposed International Certification Procedures

    J. S. Newman / E. J. Rickley | NTIS | 1979
    Schlagwörter: Aircraft engine noise , Noise Pollution & Control , Noise(Sound) , Effective Perceived Noise Level , Aircraft noise

    Noise Levels and Data Correction Analysis for Seven General Aviation Propeller Aircraft

    D. W. Ford / E. J. Rickley | NTIS | 1980
    Schlagwörter: Noise Pollution & Control , Aircraft noise

    Noise Level Measurements of Railroads: Freight Yards and Wayside

    E. J. Rickley / R. W. Quinn / N. R. Sussan | NTIS | 1974
    Schlagwörter: Noise Pollution & Control , Noise control , Noise pollution , Noise levels

    Noise Emissions and Building Structural Vibration Levels from the Supersonic Concorde and Subsonic Turbojet Aircraft

    E. J. Rickley / R. W. Quinn / N. R. Sussan | NTIS | 1975
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Noise exposure , Noise levels

    Noise Characteristics of Height Helicopters

    H. C. True / E. J. Rickley | NTIS | 1977
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Helicopter noise , Impulsive noise

    International Civil Aviation Organization Helicopter Noise Measurement Repeatability Program: U.S. Test Report, Bell 206L-1, Noise Measurement Flight Test

    J. S. Newman / E. J. Rickley / M. Locke | NTIS | 1985
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Noise reduction , Noise(Sound) , HNMRP(Helicopter Noise Measurement Repeatibility Program)

    Helicopter Noise Definition Report: UH-60A, S-76, A-109, 206-L

    J. S. Newman / E. J. Rickley / D. W. Ford | NTIS | 1981
    Schlagwörter: Noise Pollution & Control , Jet aircraft noise , Noise pollution , Noise levels , Noise exposure

      Helicopter Noise Definition Report UH-60A, S-76, A-109, 206-L

      J. S. Newman / E. J. Rickley / D. W. Ford | NTIS | 1981
      Schlagwörter: Noise Pollution & Control , Aircraft noise , Aircraft engine noise

    En Route Noise: NASA Propfan Test Aircraft (Corrected Data - Simplified Procedure)

    E. J. Rickley | NTIS | 1990
    Schlagwörter: Noise measurement , Aircraft noise , Noise Pollution & Control , Noise propagation

    Analysis of Helicopter Noise Data Using International Helicopter Noise Certification Procedures

    J. S. Newman / E. J. Rickley / D. A. Levanduski et al. | NTIS | 1986
    Schlagwörter: Aircraft noise , Noise , Noise reduction

      Analysis of Helicopter Noise Data Using International Helicopter Noise Certification Procedures

      J. S. Newman / E. J. Rickley / D. A. Levanduski et al. | NTIS | 1986
      Schlagwörter: Noise(Sound)