H-46 Sea Knight Vertol

The Vertol (later Boeing) CH-46 Sea Knight is a medium-lift tandem rotor cargo helicopter, used by the United States Marine Corps (USMC) to provide all-weather, day-or-night assault transport of combat troops, supplies and equipment. Assault Support is its primary function, and the movement of supplies and equipment is secondary. Additional tasks include combat support, search and rescue, support for forward refueling and rearming points, CASEVAC and Tactical Recovery of Aircraft and Personnel (TRAP).
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Type: Cargo helicopter
Crew: 4 (2 pilots, 1 crew chief, 1 gunner)
Capacity: 25 Troops
Manufacturer: Vertol Aircraft Corp.

Models: See variants
Maiden flight: Aug. 1962
Service Delivery: 1964
Number built: 600+
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Specifications:
Powerplant:
Model: General Electric T58-GE-16
Type: Turboshaft
Number: Two
Horsepower: 1,870 shp
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Dimensions:
Length: 45 ft 8 in fuselage (13.92 m)
Fuselage width: 7 ft 3 in (2.2 m)
Rotor Diameter: 51 ft (16 m)
Disc Area: 4,100 ft² (380 m²)
Height: 16 ft 8.5 in (5.1 m)
Weights:
Empty: 15,537 lb (7,047 kg)
Loaded: 17,396 lb (7,891 kg)
Max takeoff: 24,300 lb (11,000 kg)

Performance:
Maximum speed: 165 mph (265 kph)
Combat Radius: 420 mi (676 km)
Ferry Range: 420 mi (676 km)
Service ceiling: 14,000 ft (4,300 m)
Rate of climb: 2,045 ft/min (10.4 m/s)
Disc loading: 4.2 lb/ft² (21 kg/m²)
Power/mass: 0.215 hp/lb (354 W/kg)
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Armament:
2×XM218 .50 BMG machine guns
1 Ramp mounted M240G 7.62mm MG
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Sources:
Wikipedia: H-46 Sea Knight