| Manufacturer | Letov |
| Model | S.14 |
| Modification | S.14 |
| Country | Czechoslovakia |
| Years | 192 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 8.10 m |
| Length | 6.43 m |
| Height | 2.86 m |
| Wing area | - |
| Zero fuel weight | - |
| Empty weight | 664 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 896 kg |
| Flight duration | - |
| Engine | 1 Skoda HS.8Fb |
| Power | 1 x 300 HP |
| Thrust | - |
| Maximum speed | 238 km/h |
| Cruising speed | 210 km/h |
| Rate of climb | 270 m/min |
| Practical range | 495 km |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | - |
