1. 
   Hybrid airship
   A hybrid airship is an aircraft that combines characteristics of heavier-than-air (HTA) technology, fixed-wing aircraft or helicopter, and lighter-than-air (LTA), aerostat technology.[1] Examples include helicopter/airship hybrids intended for heavy lift applications and dynamic lift airships inten...
   Found op http://en.wikipedia.org/wiki/Hybrid_airship
   
   

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