| GL-10 Greased Lightning | |
|---|---|
| |
| GL-10 Greased Lightning 50% Scale Prototype | |
| Role | Hybrid UAV |
| National origin | United States |
| First flight | 19 August 2014 (tethered) |
| Introduction | 2014 |
| Status | In development |
| Number built | 1 |
The GL-10 Greased Lightning is a hybrid diesel-electric tiltwing unmanned aircraft.