| Manufacturer | Junkers-Larsen |
| Model | JL.12 |
| Modification | JL.12 |
| Country | USA, Germany |
| Years | 1921 |
| Type | Attack plane |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 17.75 m |
| Length | 9.60 m |
| Height | 4.10 m |
| Wing area | 43.00 m2 |
| Zero fuel weight | - |
| Empty weight | - |
| Maximum takeoff weight | - |
| Normal takeoff weight | 2270 kg |
| Flight duration | - |
| Engine | 1 Liberty |
| Power | 1 x 400 HP |
| Thrust | - |
| Maximum speed | 230 km/h |
| Cruising speed | 190 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 3800 m |
| Hovering ceiling | - |
| Crew | 2 |
