You must have seen helicopters in real life. This design is very different compared to planes because there is a big fan on top of them, in such a situation they have to be landed in an open place only, so that the fans do not collide with the surrounding things. You must have noticed that helicopters are landed only at a particular place which is called Helipad (Why H written on Helipad). Have you ever had this question in your mind that why is H written on the helipad…
Read MoreWhy is H written on the helipad, why do helicopters land only here? Hardly know the reason
