Comparison of Bell 47 and Bell TH-57 Sea Ranger [S]ave
| Attribute |  Bell TH-57 Sea Ranger × |  Bell 47 × |
|---|---|---|
| General | ||
| Manufacturer | Bell Helicopter | Bell Helicopter |
| Model | Bell TH-57 Sea Ranger | Bell 47 |
| Country | United States | United States |
| Manufactured from (year) | 1962 | 1946 |
| Manufactured to (year) | 2017 | 1974 |
| Type | Military Helicopters | Light Helicopters |
| Icao | B06 | B47G |
| Performance | ||
| Engine | 1x Allison 250-C20BJ | 1x Lycoming TVO-435-F1A |
| Power, hp (hp) | 420 | 280 |
| Max cruise speed (km/h) | 220 | 169 |
| Travel range (km) | 693 | 396 |
| Service ceiling (m) | 4,500 | 3,353 |
| Rate of climb (m/sec) | 6.86 | 4.37 |
| Weights | ||
| Max take off weight (kg) | 1,451 | 1,340 |
| Max payload (kg) | - | 482 |
| Fuel tank capacity (l) | - | 110 |
| Dimensions | ||
| Seats | 4 | 2 |
| Cabin height (m) | 2.91 | - |
| Exterior length (m) | 11.82 | 9.6 |
| Tail height (m) | - | 2.8 |
| Fuselage diameter (m) | - | 1.5 |
| Wing span (m) | 10.16 | 11.3 |
| Wing tips | No Winglets | No Winglets |
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