Introduced in 1976, the Dassault Falcon 50 business jet aircraft also has a military counterpart named the Guardian 50 that is used for surveillance and environmental protection. In 1996, the 50EX variation was released. The 50EX is powered by two Rolls Royce TFE-731-40 engines. The cruise speed is 487 kts and the range is 3,285 miles. The empty weight is 21,170 lbs and the gross weight is 39,700 lbs.