| Manufacturer | Gloster |
| Model | Mars |
| Modification | Mars Mk II |
| Country | United Kingdom |
| Years | 1921 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 8.53 m |
| Length | 5.59 m |
| Height | 2.74 m |
| Wing area | 25.08 m2 |
| Zero fuel weight | - |
| Empty weight | 801 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 982 kg |
| Flight duration | 2 h |
| Engine | 1 Bentley B.R.2 |
| Power | 1 x 230 HP |
| Thrust | - |
| Maximum speed | 193 km/h |
| Cruising speed | 175 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 4570 m |
| Hovering ceiling | - |
| Crew | - |
