History:
The CH-47 is a twin-engine, tandem rotor helicopter. It was designed for transportation of troops, artillery, supplies and equipment during day and night and under visual and instrument conditions.
The latest international model is the CH-47SD which incorporates a glass cockpit with integrated cockpit management system, automated flight controls, colour digital displays and full authority digital engine control. The CH-47SD has bigger fuel tanks, doubling the range of the 47D. The engine has also been upgraded.
The cockpit accommodates two pilots and an observer. The crew is equipped with ANVIS-7 night-vision goggles and the whole cockpit is night-vision goggle compatible.
Three machine guns can be mounted on the helicopter: two in the crew door on the starboard side and one window-mounted on the port side.
The Chinook has a triple-hook system. This system provides stability to large external loads or the possibility for multiple external loads. Large external loads such as 155mm howitzers can be transported at speeds up to 260 km/h using the triple-hook load configuration. Multiple external loads can be delivered to three separate destinations in one sortie. The central hook is rated to carry up to 12,000kg and the other two hooks 7,500kg each.
The cabin can accommodate two Humvees or one Humvee together with a 105mm howitzer and gun crew. The main cabin can hold up to 50 troops, according to the seating arrangements and equipment being carried. For medical evacuation, the cabin can accommodate 24 stretchers.
The helicopter is equipped with two T55-L-712 turboshaft engines, which are mounted in pods on either side of the rear pylon under the rear rotor blades. The self-sealing fuel tanks are mounted in external fairings on the sides of the fuselage. The fixed tanks hold 3,900 litres of fuel and three additional fuel tanks can be carried in the cargo area. The range of the helicopter can also be extended by in-flight refuelling. Over 1,000 Chinooks are operational wordwide.
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| Function: | Multi-purpose heavy-lift helicopter |
| Dimensions (Rotor diameter/length/height): | 18.29 m / 15.6 m / 5.8 m |
| Weight: | 10,578 kg empty (24,494 kg max. takeoff weight) |
| Engines: | 2 T55-L-712 SSB with 2796 kW |
| Max. speed: | 269 km/h |
| Range: | 426 km |
| Ceiling: | 2575 meter |
| Armament: | 2 machine guns in crew door (starboard side), 1 machine gun in window (port side) |
| Crew: | 3 |
| Max. payload: | 50 soldiers or 24 stretchers or 12.500 kg on external hook |
Manufacturer: | Boeing; USA |
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