List of VTOL aircraft
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Bell XV-15
List of rotorcraft
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Bell X-22
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Steven F. Udvar-Hazy Center
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Leonardo AW609
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USS Tripoli (LPH-10)
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1979 in aviation
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1977 in aviation
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List of experimental aircraft
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Bell Textron
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List of X-planes
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V/STOL
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Tiltrotor
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Ames Research Center
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Bell Boeing V-22 Osprey
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XV-15
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