heliport 1948, helipad, helidrome,

It's lonely at the top.

Tokyo Is Filled With Helipads That Are Almost Never Used

But there is a good reason why.

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heliport 

Pronunciation: /ˈhɛlɪpɔːt/ 

NOUN

An airport or landing place for helicopters.

helipad 

Pronunciation: /ˈhɛlɪpad/ 

NOUN

A landing and take-off area for helicopters.

Example sentences

helistop
rotorport

helidrome - Wiktionary

https://en.wiktionary.org/wiki/helidrome

helidrome (plural helidromes). (aviation) An airfield or airbase for helicopters. ... External links[edit].helidrome at OneLook Dictionary Search. Retrieved from ...