| Attribute | Value |
| General |
| Manufacturer | Lockheed Martin Aeronautics |
| Model | Lockheed EC-121 Warning Star |
| Country | United States |
| Manufactured from | 1953 year |
| Manufactured to | 1958 year |
| Type | Military Propellor Planes |
| Icao | EC121 |
| Performance |
| Engine | 4x Wright R-3350-34 Turbo Compound radial engines other |
| Power, hp | 3,400 hp |
| Power, lbf | Add |
| Avionics | Add |
| Max cruise speed | 482 km/h |
| Approach speed | Add |
| Travel range | 6,852 km |
| Fuel economy | Add |
| Service ceiling | 7,620 m |
| Rate of climb | 4.88 m/sec |
| Take off distance | Add |
| Landing distance | Add |
| Weights |
| Max take off weight | 65,000 kg |
| Max landing weight | Add |
| Max payload | 33,600 kg |
| Fuel tank capacity | Add |
| Baggage volume | Add |
| Dimensions |
| Seats | 16 |
| Seats - business class | Add |
| Seats - first class | Add |
| Cabin height | Add |
| Cabin width | Add |
| Cabin length | Add |
| Exterior length | 35.4 m |
| Tail height | 7.54 m |
| Fuselage diameter | 3.5 m |
| Wing span | 38.45 m |
| Wing tips | No Winglets |