This system is known, officially, as the Tri-Service Aircraft Designation System, a 1962 agreement between the US armed forces to feature a unified system of naming its fixed-wing and rotary craft.
Lockheed Martin's Sikorsky has successfully flown its "rotor blown wing" drone in both helicopter and fixed-wing flight modes ...
The CV-22 can perform missions that normally would require both fixed-wing and rotary-wing aircraft. The CV-22 takes off vertically and, once airborne, the nacelles (engine and prop-rotor group ...