Bell 412 Multi-Cache

The Bell 412 is a twin-engine utility helicopter manufactured by Bell Helicopter. It is a development of the Bell 212 with the major difference being the composite four-blade main rotor.

The Bell Huey family of helicopters includes a wide range of civil and military aircraft produced since 1956 by Bell Helicopter. This H-1 family of aircraft includes the utility UH-1 Iroquois and the derivative AH-1 Cobra attack helicopter series and ranges from the XH-40 prototype, first flown in October 1956 to the 21st century UH-1Y Venom and AH-1Z Viper.

General characteristics:

• Crew: 1-2 pilots
• Capacity: up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)
• Length: 56 ft 1 in (17.1 m)
• Rotor diameter: 46 ft (14.0 m)
• Height: 15 ft (4.6 m)
• Disc area: 1,662 ft² (154.4 m²)
• Empty weight: 6,789 lb (3,079 kg)
• Max. takeoff weight: 11,900 lb (5,397 kg)
• Powerplant: 2 × Pratt & Whitney Canada PT6T-3D or PT6T-3DF Twin-Pac turboshafts, 900 shp (671 kW) each
• Fuselage length: 43 ft (13.1 m)

Performance:

• Maximum speed: 140 knots (161 mph, 259 km/h)
• Cruise speed: 122 knots (140 mph, 226 km/h)
• Range: 609 mi (up to 980km)
• Service ceiling: 20,000 ft (6,096 m)
• Rate of climb: 1,350 ft/min (6.86 m/s)
• Power/mass: 0.2663 hp/lb (437 W/kg)