| Manufacturer | Curtiss |
| Model | X-19 |
| Modification | X-19 |
| Country | USA |
| Years | 1964 |
| Type | Experimental aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 10.50 m |
| Length | 13.50 m |
| Height | 5.20 m |
| Wing area | 14.40 m2 |
| Zero fuel weight | - |
| Empty weight | 4400 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 6200 kg |
| Flight duration | - |
| Engine | 2 Lycoming T-55 |
| Power | 2 x 2620 HP |
| Thrust | - |
| Maximum speed | 720 km/h |
| Cruising speed | 650 km/h |
| Rate of climb | - |
| Practical range | 1200 km |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | 2 |
