crew access to all parts of the helicopter
helicopters can be landed easily
helicopters are more risk to landing, so it requfres perlmeter.
sling anchor onto the helipad
1.Firstly we can keep more area platforms and ground crew can access all the part of the helicopter.
2.In the sea has the heavy wind so to avoid risk of collisions during take off/landing from the routes.
3.The handrail should be lowered to avoid risk of collisions during take off/landing.
4.Prevent the accident when get poor visibility to tie down parked helicopters.