The idea was initially to tow Arturo's Desert Eagle up to roughly 5,000 feet and let it fly, but the pilot of the Sikorsky S58T helicopter that was doing the towing decided that the wind conditions wouldn't allow it. The tether was cut at about 2,700 feet, which was still plenty high to allow the giant paper plane to glide for about ten seconds, hitting speeds of 100 miles per hour before tail stress brought it crashing to the ground. For his part, Valdenegro told the museum that he's now convinced that a career in engineering is the right move for him when he gets older. Given the video below, his resume already looks pretty solid.