Wiktionary
helibus
n. A large, passenger-carrying helicopter
Usage examples of "helibus".
The chopper, a Bell S-92C Helibus, was settling down in a clearing a hundred yards away.
At the bloated crosscity helibuses jerking and settling to disgorge their passengers at the street islands.
When Don climbed in, Sascha slid the door shut, and the big helibus glided upward and so utheast.