A Ling-Temco-Vought XC-142A tested at the NASA Langley Research Center in 1969.<br><b>Official description:</b> Ling-Temco-Vought XC-142A: A tilt-wing prototype used in vertical takeoff and landing (VTOL) studies. After vertical takeoff with the wing pivoted upward, the wing pivoted horizontally and the craft would fly as a conventional airplane." Langley was extensively involved in wind-tunnel testing of XC-14A models, and in the actual flight evaluations of the actual airplane. Photograph published in Winds of Change, 75th Anniversary NASA publication, by James Schultz.
NASA
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