| Manufacturer | Zala Aero |
| Model | Zala 421-16 |
| Modification | Zala 421-16 |
| Country | Russia |
| Years | 2009 |
| Type | Unmanned aircraft |
| Main rotor diameter | 1.62 m |
| Tail rotor diameter | - |
| Wingspan | - |
| Length | - |
| Height | - |
| Wing area | - |
| Zero fuel weight | - |
| Empty weight | - |
| Maximum takeoff weight | 18 kg |
| Normal takeoff weight | - |
| Flight duration | 4-7 h |
| Engine | 1 ДВС |
| Power | 1 x HP |
| Thrust | - |
| Maximum speed | 150 km/h |
| Cruising speed | 70 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | - |
