16 meters
helicopters
After you unlock free roam you need to complete the 2 missions then you will unlock a new Crib where there will be a helipad
helipad
A helipad
Helipad, antenna, garden.Antenna, Flag, mobile phone tower, Satellite Dish, Helipad, Lightning Rod, Roof and a bird.
A "helipad" is a helicopter landing pad. The helipad provides a clearly marked hard surface away from obstacles for the helicopter to land.
You can access the police station in Algonquin area and go upstairs to the helipad. And have a immigration authority annihilator helicopter spawned on the helipad. And it is in one of the cut scenes
The purpose of a helipad (helicopter landing pad) is to provide a safe place in a city's environment for a helicopter to land. Helipads are commonly found on top of hospitals and other buildings.
You go the Helipad on the top of the roof.
you have to find them and store them on a helipad.
As big as necessary to be visible form a typical approach altitude. Normally about the size of the helicopter(s) expected there is enough.
The Annhilator is in a helipad stationed in the Francis International Airport.