| Manufacturer | Junkers |
| Model | A20 |
| Modification | A 20W |
| Country | Germany |
| Years | 1923 |
| Type | Light aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 15.35 m |
| Length | 9.25 m |
| Height | 2.40 m |
| Wing area | 28.10 m2 |
| Zero fuel weight | - |
| Empty weight | 1060 kg |
| Maximum takeoff weight | 1600 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 BMW IIIa |
| Power | 1 x 185 HP |
| Thrust | - |
| Maximum speed | 170 km/h |
| Cruising speed | 152 km/h |
| Rate of climb | - |
| Practical range | 900 km |
| Service ceiling | 5200 m |
| Hovering ceiling | - |
| Crew | 2 |