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The first, the Bell X-1, became well known in 1947 after it became the first aircraft to break the sound barrier in level flight. [7] Later X-planes supported important research in a multitude of aerodynamic and technical fields, but only the North American X-15 rocket plane of the early 1960s achieved comparable fame to that of the X-1.
Additionally, the X-22 was to provide more insight into the tactical application of vertical takeoff troop transporters such as the preceding Hiller X-18 and the X-22's successor, the Bell XV-15. Another program requirement was a true airspeed in level flight of at least 525 km/h (326 mph; 283 knots).
This is a list of rotorcraft, including helicopters, ... Aircraft engines; A. A-B Helicopters ... Bell X-22; Bell XV-3; Bell XV-15; Bensen
X22 may refer to: X22 (New York City bus) Bell X-22, an American experimental aircraft; Kh-22 (Russian: X-22), a Soviet anti-ship missile; Paul Magriel (1946–2018), American professional backgammon and poker player; TGOJ X22, a Swedish electric multiple unit; ThinkPad X22, a notebook computer \x22, the quotation mark (Unicode codepoint hex &x22;)
The following reference sources, among many others, have been used to compile this list: Cheesman, E. F., ed. (1960). Fighter Aircraft of the 1914–1918 War.
This page was last edited on 26 September 2023, at 10:17 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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This is a list of aircraft by date and usage.The date shown is the introduction of the first model of a line but not the current model. For instance, while "the most popular" aircraft, such as Boeing 737 and 747 were introduced in 1960x, their recent models were revealed in the 21st century.