They are complex and take much maintenance compared to winged aircraft. They have limited speed.
They fly helicopters.
Helicopters are machines, they can not grow.
Helicopters are about 200 feet
yes, helicopters are dangerous
what are the grey helicopters for
A group of helicopters.
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
The rotor blades lift helicopters
No animals can eat helicopters.
Helicopters can land almost anywhere.
Helicopters do not hurt the environment.