It can takeoff or land in where ever the position it was....
it don't need a runway...
A purple helicopter is a helicopter of the color purple. Really?
Everybody I know says A helicopter.
For the helicopter body to be in balance and direction to steer the helicopter.
A helicopter pilot flies a helicopter in the army.
There is no helicopter.
In their helicopter.
Helicopter pilots do
No
it's a helicopter
in a helicopter musem
The pilot controls the helicopter.
with helicopter mod