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Description
| Manufacturer: | Lockheed | |
| Base model: | C-121 | |
| Designation: | EC-121 | |
| Version: | P | |
| Nickname: | Super Constellation | |
| Designation System: | U.S. Air Force | |
| Designation Period: | 1925-1962 | |
| Basic role: | Transport | |
| Modified Mission: | Special electronic installation | |
| See Also: | ||
Specifications
| Length: | 113' 7" | 34.6 m | |
| Height: | 24' 9' | 7.3 m | |
| Wingspan: | 123' | 37.4 m | |
| Wingarea: | 1,650.0 sq ft | 153.2 sq m | |
| Empty Weight: | 69,210 lb | 31,387 kg | |
| Gross Weight: | 120,000 lb | 54,421 kg | |
Propulsion
| No. of Engines: | 4 | ||
| Powerplant: | Wright R-3350-34 | ||
| Horsepower (each): | 3400 | ||
Performance
| Range: | 4,250 miles | 6,843 km | |
| Cruise Speed: | 255 mph | 410 km/h | 221 kt |
| Max Speed: | 299 mph | 481 km/h | 260 kt |
| Climb: | 960 ft/min | 292 m/min | |
| Ceiling: | 25,000 ft | 7,619 m | |
