Please Subscribe : Thanks for Watching ! Like Sub Share And Comment For More Movies ☞ ＳＵＢＣＲＩＢＥ - ＬＩＫＥ - ＣＯＭＭＥＮＴ .\r<br>\r<br>History Of The Helicopter Documentary - Helicopter Invention Documentary Film . Apr 28, 2015 . History of Helicopters - Helicopter Invention Documentary .\r<br>\r<br>Igor Sikorsky is considered to be the father of helicopters not because he invented the first. He is called that because he invented the first successful helicopter, .
