most of them use standard military jet fuel
Yes, they have many helicopters in Wisconsin.
cause helicopters are really fast
no, if u wanna get in the air, u have to use helicopters
Yes, some opt to use helicopters for crop dusting.
Some large helicopters use 'drogue and hose' refuelling
The Coast Guard in US and Britain use helicopters to rescue people.
Yes
Helicopters is for special military use and airplanes are only for transportation.
Yes, many small helicopters have 3 blades
They do not use mufflers.
Of course they do!
Vertical Envelopment, or the use of helicopters in combat, was first introduced in the Korean war.