Flight Test Fact
@flighttestfact
Daily fact about experimental flight test, test pilots, flight test engineers, and flight related applications of engineering and mathematics by @markjonesjr
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http://flighttestfact.com 09-12-2010 12:51:28
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6/9/1974 First flight of the Northrop YF-17 prototype #video ow.ly/xMbo0 #flighttest | Primer vuelo del Northrop YF-17 fue el 6/9/1974 via José L. Manzella