Airspeed AS.57 Ambassador
| Entry into service | 1952. |
| Dimensions | Length : 24.49 m |
| Wing span : 35.05 m | |
| Height : 5.59 m | |
| Weights | Maximum take off weight : 23,814 kg |
| Maximum landing weight : | |
| Operating empty weight : 16,230 kg | |
| Maximum payload : | |
| Powerplant | 4 x 2,600 shp (1,939 kw) Bristol Centaurus 661. |
| Fuel capacity | |
| Performance | Maximum cruise speed : 237 kt - 438 km/h |
| Maximum cruising altitude : | |
| Design range : 1,160 km. | |
| Accommodations | 1-class : - 47 |
| 2-class : - | |
| 3-class : - |