A Cessna 190 that was used by the National Advisory Committee for Aeronautics (NACA) to test new ways of controlling the boundary layer at the wing's leading edge. It was also used as a small transport for the Langley Aeronautical Laboratory staff. Originally flown with a United States civil registration, that registration was canceled when the 190 became "NACA 104".
NASA
1948-09-13
This image or video was catalogued by one of the centers of the United States <a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="w:NASA">National Aeronautics and Space Administration</a> (NASA) under <b>Photo ID:</b> <a rel="nofollow" class="external text" href="https://images.nasa.gov/search?q=EL-2000-00266&amp;page=1&amp;media=image,video,audio&amp;yearStart=1920&amp;yearEnd=2023">EL-2000-00266</a>.