| Manufacturer | Handley Page |
| Model | H.P.31 Harrow |
| Modification | HP.31 |
| Country | United Kingdom |
| Years | 1926 |
| Type | Bomber |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 13.41 m |
| Length | 10.28 m |
| Height | 4.06 m |
| Wing area | 52.30 m2 |
| Zero fuel weight | - |
| Empty weight | 1997 kg |
| Maximum takeoff weight | 3239 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Napier Lion VA |
| Power | 1 x 470 HP |
| Thrust | - |
| Maximum speed | 171 km/h |
| Cruising speed | 150 km/h |
| Rate of climb | - |
| Practical range | 770 km |
| Service ceiling | 2652 m |
| Hovering ceiling | - |
| Crew | - |
