answersLogoWhite

0

Attempts to create helicopters can be traced back to Leonardo da Vinci, but the first working prototype helicopter, the VS-300, was invented by Igor Sikorsky (Russian/American) in 1939. The next model he designed was the R-4 in 1942, which was the world's first mass produced helicopter

User Avatar

Wiki User

8y ago

What else can I help you with?