Comparison of Westland Wasp and Bell 427 [S]ave
| Attribute |  Bell 427 × |  Westland Wasp × |
|---|---|---|
| General | ||
| Manufacturer | Bell Helicopter | AgustaWestland |
| Model | Bell 427 | Westland Wasp |
| Country | United States | United Kingdom |
| Manufactured from (year) | 2000 | 1962 |
| Manufactured to (year) | 2010 | 1966 |
| Type | Mid Size Helicopters | Military Helicopters |
| Icao | B427 | - |
| Performance | ||
| Engine | 2x 2 × Pratt & Whitney PW207D | 1x Rolls-Royce Nimbus 103 |
| Power, hp (hp) | 710 | 710 |
| Avionics | Garmin Avionics | - |
| Max cruise speed (km/h) | 256 | 193 |
| Travel range (km) | 730 | 491 |
| Fuel economy (km/l) | 2.025 | - |
| Service ceiling (m) | 3,048 | 3,719 |
| Rate of climb (m/sec) | 10.16 | 7.32 |
| Weights | ||
| Max take off weight (kg) | 2,970 | 2,495 |
| Max payload (kg) | 1,343 | 360 |
| Fuel tank capacity (l) | 768 | 704 |
| Baggage volume (m³) | 0.79 | - |
| Dimensions | ||
| Seats | 7 | 6 |
| Cabin height (m) | 1.2 | - |
| Cabin width (m) | 1.23 | - |
| Cabin length (m) | 1.57 | - |
| Exterior length (m) | 11 | 12.29 |
| Tail height (m) | 4.09 | 3.5 |
| Fuselage diameter (m) | 1.63 | 1.8 |
| Wing span (m) | 11.28 | 9.83 |
| Wing tips | No Winglets | No Winglets |
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