| Manufacturer | Junkers |
| Model | Junkers J.1 |
| Modification | Junkers J.1 |
| Country | Germany |
| Years | 1915 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 12.95 m |
| Length | 8.62 m |
| Height | 3.11 m |
| Wing area | 24.60 m2 |
| Zero fuel weight | - |
| Empty weight | 868 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 1080 kg |
| Flight duration | - |
| Engine | 1 Mercedes D II |
| Power | 1 x 120 HP |
| Thrust | - |
| Maximum speed | 170 km/h |
| Cruising speed | 138 km/h |
| Rate of climb | - |
| Practical range | 240 km |
| Service ceiling | 3000 m |
| Hovering ceiling | - |
| Crew | - |
