I think the issue will be, as with all multicrew aircraft in DCS, MP de-sync. I think the only multicrew aircraft that works properly for me in MP is the Tomcat. All others have massive de-sync issues that result in engines cutting out randomly, equipment turning on and off and juddering on screens as they flicker between modes. I think this is a wider DCS issue that the Huey, so perhaps they're working to try and fix that first?