Development concept eVTOL aircraft with four variable-speed tilting electric rotors. Using Optimum Speed Tiltrotor (OSTR) technology.
| Lift type | Tilt-rotor | Search for other aircraft programs with these properties on the Aircraft Programs directory page. |
| Construction type | Factory-built | |
| Control type | Piloted | |
| Engine type | Electric | |
| Application | Business |
View full news archive for the Karem Butterfly.
