MH-53 Pave Low
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The Pave Low is the US Air Force's long-range special operations helicopter.
The MH-53J Pave Low III heavy-lift helicopter is the largest, most powerful and technologically advanced helicopter in the Air Force inventory at the moment.
First flown in the Vietnam war as the HH-53 Jolly Green, the MH-53 airframe and avionics have been continuously upgraded to expand it's capabilities and operational envelope.
The Pave Low helicopter started out as a Navy design (Sea Dragon) that the Air Force has rebuilt to perform deep penetration missions in heavily defended airspace during night, behind enemy lines and in adverse weather conditions.
Specifications
Manufacturer: | Sikorsky Aircraft | Main rotor diameter: | 72 feet (21.9 meters) | Length: | 88 feet (28 meters) (!!!) | Height: | 25 feet (7.6 meters) | Maximum take off weight: | 42,000 pounds | Engines: | Two General Electric T64-GE/-100 engines | Power: | 4,330 shaft horsepower per engine | Endurance on internal fuel: | 630 statute miles (548 nautical miles) | Maximum Cruise Speed at sea level: | 165 mph | Service ceiling: | 16,000 feet (4,876 meters) | Unit Costs: | $40 million |