Gruman G-159 Gulfstream 1
| Entry into service | 1958 |
| Dimensions | Length : 19.50 m |
| Wing span : 23.90 m | |
| Height : 6.94 m | |
| Weights | Maximum take off weight : 14,074 kg |
| Maximum landing weight : - kg | |
| Operating empty weight : 8,640 kg | |
| Maximum payload : - kg | |
| Powerplant | 2 x 2,105 hp R-R Dart Rda.7/2 Mk 529. |
| Fuel capacity | - l |
| Performance | Maximum cruise speed : 351 kt - 650 km/h |
| Maximum cruising altitude : 36,300 ft - 11,000 m | |
| T-O distance : - m | |
| Landing field length : - m | |
| Design range : 3,000 km/12 pax | |
| Accommodations | 1-class : 12 |
| 2-class : - | |
| 3-class : - |