This past July, the Experimental Aircraft Association (EEE) held its annual Airventure airshow in Oshkosh, Wisconsin. More than 640,000 people attended the week-long gathering. In August, the EEE uploaded a video to YouTube briefly documenting the history and restoration of one of the Bell 47 helicopters used during the production of M*A*S*H.
It’s remarkable that this helicopter still survives today, nearly 70 years after it was built in 1951.
(Thanks to Kurt.)