History of Flight
A man with extraordinary vision—By the late 1400s, Leonardo da Vinci had produced over 100 drawings of his ornihopter. Although da Vinci’s flying machine was never built in his lifetime, his concept was brilliant and is the basis of modern-day helicopter design. It wasn’t until 2006 that Dr. James DeLaurier, a Canadian aviation engineer, successfully developed a version of da Vinci’s wing-flapping ornihopter that flies.
Industry websites and info
Below is a list of websites and information related to helicopters and aviation.helicopter communities
Online forums and bulletin boards.Professional Pilots Rumor Network
Weather Resources
Weather information and flight planning.National Weather Service (aviaiton)