T. C. Obryan

Landing practices of general aviation pilots in single-engine light airplanes

M. W. Goode, T. C. Obryan, K. R. Yenni, 1976 .

Operational features of the Langley Lunar Landing Research Facility

D. E. Hewes, T. C. Obryan, 1967 .

Description of a lunar landing research facility

T. C. Obryan, 1963 .

Flight tests of a manned rocket-powered vehicle utilizing the Langley Lunar Landing Research Facility.

T. C. Obryan, 1966 .

Initial results of studies of handling qualities of a simulated lunar landing vehicle

T. C. Obryan, 1966 .