12832563_10153295053785997_5286485424991474340_n-1 2 Published on May 26, 2018 in 3 April 1946Full resolution (906 × 671) ← Previous Next → The wreck of the first civilly-certified helicopter, Bell Model 47, serial number 1, NC1H, at Niagara Falls Airport, 3 April 1946. (Niagara Aerospace Museum)