Because the main rotor is on top and the tail propeller stabilises the spin.
no it is very stable and really easy to control once you get the hang of it
They fly helicopters.
Helicopters are about 200 feet
A group of helicopters.
Helicopters are machines, they can not grow.
what are the grey helicopters for
yes, helicopters are dangerous
The alliteration for helicopters could be higher helicopters or heavy helicopters
Yes, and not only as military equipment.- if it wasnt for helicopters, hundreds of thousands of people would not be alive today with things such as - Search and rescue helicopters Firefighting helicopters Air ambulances (medEvac) Coast guard helicopters the reality is that helicopters are vital in our modern world
No animals can eat helicopters.
Helicopters can land almost anywhere.
The rotor blades lift helicopters