Comparison of Alenia C-27J Spartan and Vickers Valiant [S]ave
| Attribute |  Alenia C-27J Spartan × |  Vickers Valiant × |
|---|---|---|
| General | ||
| Manufacturer | Alenia Aermacchi | Vickers-Armstrongs |
| Model | Alenia C-27J Spartan | Vickers Valiant |
| Country | Italy | United Kingdom |
| Manufactured from (year) | 2008 | 1951 |
| Manufactured to (year) | - | 1957 |
| Type | Military Transport Planes | Military Aircraft |
| Icao | C27J | - |
| Performance | ||
| Engine | 2x 2 X Rolls-Royce Allison AE2100-D2A | Rolls-Royce Avon RA28 Mk 204 |
| Power, hp (hp) | 4,637 | - |
| Power, lbf (lbf) | - | 10,000 |
| Avionics | Lockheed Martin Aeronautical Systems, Honeywell Autopilot | GE Aviation Systems, Green Satin doppler radar, Gee radio navigation, (ADF), VOR/Distance Measuring Equipment (DME) |
| Max cruise speed (km/h) | 583 | 913 |
| Travel range (km) | 1,852 | 7,223 |
| Fuel economy (km/l) | 1.023 | - |
| Service ceiling (m) | 9,144 | 16,459 |
| Rate of climb (m/sec) | 12.7 | 20.32 |
| Take off distance (m) | 640 | - |
| Landing distance (m) | 690 | - |
| Weights | ||
| Max take off weight (kg) | 31,800 | 63,500 |
| Max payload (kg) | 11,600 | 29,000 |
| Dimensions | ||
| Seats | 6 | 5 |
| Seats - business class | 46 | - |
| Seats - first class | 36 | - |
| Cabin height (m) | 2.25 | - |
| Cabin width (m) | 3.33 | - |
| Exterior length (m) | 22.7 | 33 |
| Tail height (m) | 9.7 | 9.8 |
| Fuselage diameter (m) | 3.7 | 3.3 |
| Wing span (m) | 28.7 | 34.8 |
| Wing tips | No Winglets | No Winglets |
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