The X3 (pronounced X-cubed) - a long-range, hybrid helicopter - made its debut in the Washington area on Monday. American Eurocopter, a subsidiary of EADS, says the technology can be used on both ... more 
The X3 (pronounced X-cubed) - a long-range, hybrid helicopter - made its debut in the Washington area on Monday. American Eurocopter, a subsidiary of EADS, says the technology can be used on both large and small aircraft. (July 23) less 
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Wed, Oct 10, 2012 4:58 AM EDT