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May 15th, 1954; The Boeing 367-80, known simply as the Dash 80, American quadjet prototype built by Boeing to demonstrate the advantages of jet propulsion for commercial aviation took to the skies on her maiden flight...and good old "Tex" was at the controls.August 6th, 1955; As part of the Dash 80's demonstration program, Boeing invited representatives of the Aircraft Industries Association (AIA) and International Air Transport Association (IATA) to the Seattle's 1955 Seafare and Gold Cup Hydroplane Races held on Lake Washington Boeing never expected what their chief test pilot would do to promote their new jet...https://sierrahotel.net/blogs/news/the-day-tex-johnston-rolled-an-airliner