Nobody invented the helicopter in 1918
Igor Sikorsky invented the helicopter.
no
Igor Sikorski invented helicopter in the year 1906.
No. The submarine came about long before the helicopter.
The Comanche helicopter is used for attacks designed for the United States Army, they are manufactured by Boeing Helicopters and Sikorsky Aircraft Corporation.
The RAH-66 Comanche Helicopter, however the project was canceled because of the cost.
I am wondering where was helicopter invented?
Nobody invented the helicopter in 1918
An engineer, Igor Sikorski, invented the helicopter.
Look on google images (link below)
No African American invented the helicopter. The first practical helicopter was invented by Igor Sikorski, a Russian American.
Igor Sikorsky invented the first practical helicopter around 1940
Igor Sikorsky invented the helicopter.
no
Igor Sikorski invented the first practical flying helicopter.
J. T awston invented the helicopter (black male)