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Description
| Manufacturer: | Bell | |
| Base model: | H-57 | |
| Designation: | TH-57 | |
| Version: | B | |
| Nickname: | SeaRanger | |
| Designation System: | U.S. Air Force | |
| Designation Period: | 1948-Present | |
| Basic role: | Helicopter | |
| Modified Mission: | Trainer | |
Specifications
| Length: | 38' 9.5" | 11.8 m | |
| Height: | 9' 6.5" | 2.9 m | |
| Wingspan: | 33' 4" | 10.1 m | |
| Wingarea: | 873.0 sq ft | 81.1 sq m | |
| Empty Weight: | 1,455 lb | 659 kg | |
| Max Weight: | 3,200 lb | 1,451 kg | |
Propulsion
| No. of Engines: | 1 | ||
| Powerplant: | Allison 250-C-20 | ||
| Horsepower (each): | 420 | ||
Performance
| Max Speed: | 140 mph | 225 km/h | 121 kt |
| Climb: | 1,260 ft/min | 384 m/min | |
| Ceiling: | 20,000 ft | 6,095 m | |
Operators (Past and Present)
| USN | HT-8 | Whiting Field | FL |
| USN | HT-18 | Whiting Field | FL |
Known serial numbers
