| Manufacturer | Cessna |
| Model | O-1 Bird Dog |
| Modification | O-1A |
| Country | USA |
| Years | 1949 |
| Type | Reconnaissance aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 10.97 m |
| Length | 7.85 m |
| Height | 2.22 m |
| Wing area | 16.16 m2 |
| Zero fuel weight | - |
| Empty weight | 732 kg |
| Maximum takeoff weight | 1102 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Continental O-470-11 |
| Power | 213 HP |
| Thrust | - |
| Maximum speed | 243 km/h |
| Cruising speed | 167 km/h |
| Rate of climb | - |
| Practical range | 853 km |
| Service ceiling | 5640 m |
| Hovering ceiling | - |
| Crew | 2 + 1 passengers |
