With the new sim, there’s a lot that has been changed and this free tool, by AOA’s Fabrice Kauffmann was made to help you do that.
Do you want to increase the realism of your current fleet? HTR - Helicopter Total Realism is one of those pieces of software we have the luck to encounter once in a while. It's amazingly good at its job, allowing you to control the amount of realism/changes done to your helicopters' flight model. And it's FREE.