https://en.wikipedia.org/wiki/Bell_Boeing_V-22_Osprey
https://en.wikipedia.org/wiki/Accidents_and_incidents_involving_the_V-22_Osprey
https://www.wearethemighty.com/gear-tech/tilt-rotor-v-22-helicopter?rebelltitem=3#rebelltitem3
… the V-22 is very expensive. That $64,000-per-flight-hour price tag makes the Air Force version that branch’s eighth most expensive plane.
Sur le V-22, voir aussi https://lf5422.wordpress.com/?s=V-22