| Manufacturer | Saunders-Roe |
| Model | SR.53 |
| Modification | SR.53 |
| Country | United Kingdom |
| Years | 1957 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 7.65 m |
| Length | 13.72 m |
| Height | 3.29 m |
| Wing area | 25.45 m2 |
| Zero fuel weight | - |
| Empty weight | 3357 kg |
| Maximum takeoff weight | 8618 kg |
| Normal takeoff weight | - |
| Flight duration | 30 h |
| Engine | 1 ТРД Armstrong Siddeley Viper + 1 РД D.H. Spectre HTP |
| Power | - |
| Thrust | 1 x 800 + 1 x 3630 kN |
| Maximum speed | 2400 km/h |
| Cruising speed | - |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 27000 m |
| Hovering ceiling | - |
| Crew | - |
