| Manufacturer | Stahlwerk Mark |
| Model | MS-IIb Plock |
| Modification | MS-IIb |
| Country | Poland |
| Years | 1926 |
| Type | Other |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 9.40 m |
| Length | 6.05 m |
| Height | 2.50 m |
| Wing area | 25.00 m2 |
| Zero fuel weight | - |
| Empty weight | 360 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 610 kg |
| Flight duration | - |
| Engine | 1 Stahlwerk Mark M-5 |
| Power | 1 x 70 HP |
| Thrust | - |
| Maximum speed | 110 km/h |
| Cruising speed | 92 km/h |
| Rate of climb | - |
| Practical range | 400 km |
| Service ceiling | 2500 m |
| Hovering ceiling | - |
| Crew | 2 |
