| Manufacturer | Westland |
| Model | Wagtail |
| Modification | Wagtail |
| Country | United Kingdom |
| Years | 1918 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 7.06 m |
| Length | 5.77 m |
| Height | 2.44 m |
| Wing area | 17.65 m2 |
| Zero fuel weight | - |
| Empty weight | 338 kg |
| Maximum takeoff weight | 603 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 ABC Wasp |
| Power | 1 x 170 HP |
| Thrust | - |
| Maximum speed | 201 km/h |
| Cruising speed | 172 km/h |
| Rate of climb | 435 m/min |
| Practical range | 680 km |
| Service ceiling | 6096 m |
| Hovering ceiling | - |
| Crew | - |
