The first helicopters developed and produced should be considered general-purpose helicopters – that is, you can do most jobs, but you can’t do any of them very professionally.
So?
Can’t land CASUALLY, WANT TO CONTACT WITH THE LOCAL AIR TRAFFIC CONTROL DEPARTMENT to get approval to land, this belongs to change course, but also have to contact with your tower.
Considering the safety of the helicopter and personnel, the landing site should be relatively flat ground, road, roof.
Helicopter, there are many other craft is hard to do it or the advantage of the impossible, has been widely applied, due to the vertical take-off without large airport landing is mainly used for sightseeing, fire rescue, first aid at sea, anti-smuggling drug, fire control, commercial transportation, medical treatment, communication and spraying pesticides kill pests, detection of resources,
And other sectors of the national economy.
The ranks of the world’s helicopters are growing.