| Manufacturer | Bristol |
| Model | Bristol Type 173 |
| Modification | Type 173 Mk.1 |
| Country | United Kingdom |
| Years | 1952 |
| Type | Transport helicopter |
| Main rotor diameter | 14.81 m |
| Tail rotor diameter | - |
| Wingspan | - |
| Length | 23.83 m |
| Height | 5.26 m |
| Wing area | - |
| Zero fuel weight | - |
| Empty weight | 3537 kg |
| Maximum takeoff weight | 4808 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 2 Alvis Leonides 73 |
| Power | 2 x 550 HP |
| Thrust | - |
| Maximum speed | - |
| Cruising speed | 137 km/h |
| Rate of climb | 360 m/min |
| Practical range | 450 km |
| Service ceiling | 5975 m |
| Hovering ceiling | - |
| Crew | 2 |
