| Manufacturer | Koolhoven |
| Model | FK-41 |
| Modification | FK-41 |
| Country | Netherlands |
| Years | 1928 |
| Type | Transport aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 10.50 m |
| Length | 7.80 m |
| Height | - |
| Wing area | - |
| Zero fuel weight | - |
| Empty weight | 620 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 900 kg |
| Flight duration | - |
| Engine | 1 De Havilland Gipsy Major |
| Power | 1 x 130 HP |
| Thrust | - |
| Maximum speed | 195 km/h |
| Cruising speed | 161 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | 1 |
