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    Automatic guidance for VTOL aircraft

    Hoffman, W. C. | NTRS | 1970

    Space Careers: (Sunday Luncheon Address #2) (SDC 88-005)

    Hoffman, W. C. | British Library Conference Proceedings | 1991

    A spiral guidance approach concept for commercial VTOL operations

    Hoffman, W. C. / Hollister, W. M. | NTRS | 1975

    A spiral guidance approach concept for all-weather VTOL operations

    Hoffman, W. C. / Hollister, W. M. | NTRS | 1976

    Analysis of navigation and guidance requirements for commercial VTOL operations

    Hoffman, W. C. / Zvara, J. / Hollister, W. M. | NTRS | 1975

    A model for simultaneous monitoring and control

    Curry, R. E. / Kleinman, D. L. / Hoffman, W. C. | NTRS | 1975

    Display/control requirements for automated VTOL aircraft

    Hoffman, W. C. / Kleinman, D. L. / Young, L. R. | NTRS | 1976

    A landing approach guidance scheme for unpowered lifting vehicles

    Bryson, A. E., Jr. / Hoffman, W. C. / Zvara, J. | NTRS | 1970

    A terminal guidance scheme for lifting body entry vehicles

    Bryson, A. E., Jr. / Hoffman, W. C. / Zvara, J. | NTRS | 1968

    Navigation and guidance requirements for commercial VTOL operations

    Hoffman, W. C. / Hollister, W. M. / Howell, J. D. | NTRS | 1974

    Long-range energy-state maneuvers for minimum time to specified terminal conditions.

    Parsons, M. G. / Bryson, A. E., Jr. / Hoffman, W. C. | NTRS | 1973

    Flight test and evaluation of Omega navigation in a general aviation aircraft. Volume 2: Appendices

    Howell, J. D. / Hoffman, W. C. / Hwoschinsky, P. V. et al. | NTRS | 1975

    Flight test and evaluation of Omega navigation in a general aviation aircraft. Volume 1: Technical

    Howell, J. D. / Hoffman, W. C. / Hwoschinsky, P. V. et al. | NTRS | 1975

    Investigation of Failure to Separate an Inconel 718 Frangible Nut

    Hoffman, W. C. / Hohmann, C. W. / United States et al. | British Library Conference Proceedings | 1994