Didn't see the show, never could understand the point of it.
In Aussie, as far as I know, there are no restrictions on landing on "elevated pads" other than what might be in a particular flight manual. I think as long as you meet or exceed the requirements of the CAAP covering landing sites you only need a minimum of one engine...........
It is a shame that the city of Sydney is so backward in this area, there is no where to land near the city other than Mascot airport.