Bell XV-15

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XV-15
XV-15 in a hover
General information
Type	Experimental VTOL aircraft
National origin	United States
Manufacturer	Bell Helicopter Textron
Status	Prototype
Primary user	NASA
Number built	2
History
First flight	3 May 1977
Retired	2003
Developed into	V-22 Osprey AgustaWestland AW609

The Bell XV-15 is an American tiltrotor VTOL aircraft. It was the second successful experimental tiltrotor aircraft and the first to demonstrate the concept's high speed performance relative to conventional helicopters.