Curious what's meant by "type rated" or "rated on the R66". In the US, a CPL-H (or PPL-H) is valid for any helicopter under 12,500 lbs. There's a sort of quasi-type-rating for the R22 and R44, called SFAR 73, but oddly the FAA didn't decide to make this required for the R66 too. Maybe they are still waiting to see if the accident rate is as bad as it was for the R22 in the early days. So if you have a helicopter license, you are good to go in the R66, at least as far as the FAA is concerned. (Insurers may see it differently).