A flight investigation was made to assess the potential operational problems of jet transports in the transonic cruise range. In this study a large multiengine jet airplane having geometric characteristics fairly representative of the jet transport was used; however, in order to ensure general applicability of the results, the aerodynamic characteristics of the test airplane were varied to simulate a variety of jet- transport airplanes. Some of the specific areas investigated include: (1) an overall evaluation of longitudinal stability and control characteristics at transonic speeds, with an assessment of pitch-up characteristics, (2) the effect of buffeting on airplane operational speeds and maneuvering, (3) the desirable lateral-directional damping characteristics, (4) the desirable lateral-control characteristics, (5) an assessment of over-speed and speed-spread requirements, including the upset maneuver, and (6) an assessment of techniques and airplane characteristics for rapid descent and slow-down. The results presented include pilots' evaluation of the various problem areas and specific recommendations for possible improvement of jet-transport operations in the cruising speed range.


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    Title :

    Flight Studies of Problems Pertinent to High-Speed Operation of Jet Transports


    Contributors:

    Publication date :

    1959


    Size :

    22 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Flight Studies of Problems Pertinent to High-Speed Operation of Jet Transports

    Butchart, Stanley P. / Fischel, Jack / Tremant, Robert A. et al. | NTRS | 1959



    Flight studies of problems pertinent to high-speed operation of jet transports

    Butchart, S.P. / Fischel, J. / Tremant, R.A. et al. | Engineering Index Backfile | 1959


    Flight Studies of Problems Pertinent to Low-Speed Operation of Jet Transports

    Fischel. Jack / Butchart, Stanley P. / Robinson, Glenn H. et al. | NTRS | 1959


    Flight studies of problems pertinent to low-speed operation of jet transports

    Fischel, J. / Butchart, S.P. / Robinson, G.H. et al. | Engineering Index Backfile | 1959