I looked at these guys when I was considering learning to fly a chopper.
https://helicopteracademy.cloudhoste...-on-rating.php
https://helicopteracademy.cloudhostedresources.com/?task=get&url=https%3A%2F%2Fwww.helicopteracademy.com%2Fheli copter-training-private-add-on-rating.php