| Manufacturer | English Electric |
| Model | P.1 |
| Modification | P-1 |
| Country | United Kingdom |
| Years | 1954 |
| Type | Experimental aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 10.61 m |
| Length | 15.13 m |
| Height | 5.21 m |
| Wing area | 4260 m2 |
| Zero fuel weight | - |
| Empty weight | 9800 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 14600 kg |
| Flight duration | - |
| Engine | 2 ТРД Armstrong Siddeley Saphir 5 |
| Power | - |
| Thrust | - |
| Maximum speed | 1625 km/h |
| Cruising speed | - |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 16000 m |
| Hovering ceiling | - |
| Crew | 1 |
