- 1941 – Focke-Achgelis Fa 269
- 1955 – Bell XV-3
- 1957 – Doak VZ-4
- 1959 – Hiller X-18
- 1963 – Curtiss-Wright X-19
- 1964 – LTV XC-142
- 1965 – Canadair CL-84 “Dynavert”
- 1966 – Bell X-22
- 1967 – Aérospatiale N 500
- 1977 – Bell XV-15
- 1989 – Bell-Boeing V-22 Osprey
- 1998 – Bell Eagle Eye (UAV)
- 2003 – AgustaWestland AW609
- 2010 – IAI Panther (UAV)
Source de la liste: Wikipedia (manque le AW609). Voir aussi http://lf5422.wordpress.com/2013/03/26/tiltrotor/
Le projet de Fa 269
